Micro AIs: update syntax of [message][option] usages

data/ai/micro_ais/scenarios/animals.cfg

@@ -357,7 +357,7 @@ Also note: The Animal AIs are coded as Micro AIs. A Micro AI can be added and ad
             # wmlindent: stop ignoring
             # wmllint: unbalanced-off
             [option]
-                message= _ "<span font='16'>I'll just watch the animals.</span>"
+                label= _ "<span font='16'>I'll just watch the animals.</span>"
                 [command]
                     [modify_side]
                         side=1
@@ -370,7 +370,7 @@ Also note: The Animal AIs are coded as Micro AIs. A Micro AI can be added and ad
                 [/command]
             [/option]
             [option]
-                message= _ "<span font='16'>I want to have control of Side 1.</span>"
+                label= _ "<span font='16'>I want to have control of Side 1.</span>"
             [/option]
         [/message]
 

data/ai/micro_ais/scenarios/bottleneck_defense.cfg

@@ -98,10 +98,10 @@ Note: The Bottleneck Defense AI is coded as a Micro AI. A Micro AI can be added
             image=wesnoth-icon.png
             message= _ "In this scenario, the AI playing the humans in the east is instructed to form a defensive line at the pass and hold off the orcs for as long as possible. Do you want to play the orc side or let the default (RCA) AI do that?"
             [option]
-                message= _ "<span font='16'>I'll watch the two AIs fight it out.</span>"
+                label= _ "<span font='16'>I'll watch the two AIs fight it out.</span>"
             [/option]
             [option]
-                message= _ "<span font='16'>I'll play the orcs.</span>"
+                label= _ "<span font='16'>I'll play the orcs.</span>"
                 [command]
                     [modify_side]
                         side=2

data/ai/micro_ais/scenarios/protect_unit.cfg

@@ -140,10 +140,10 @@
 Note: The Protect Unit AI is coded as a Micro AI. A Micro AI can be added and adapted to the need of a scenario easily using only WML and the [micro_ai] tag. Check out the <span color='#00A000'>Micro AI wiki page</span> at http://wiki.wesnoth.org/Micro_AIs for more information." # wmllint: no spellcheck
             # wmllint: unbalanced-off
             [option]
-                message= _ "<span font='16'>I'll watch the two AIs fight it out</span>" # wmllint: no spellcheck
+                label= _ "<span font='16'>I'll watch the two AIs fight it out</span>" # wmllint: no spellcheck
             [/option]
             [option]
-                message= _ "<span font='16'>I'll play Langzhar's side (to see how Koorzhar's units target Rossauba)</span>"
+                label= _ "<span font='16'>I'll play Langzhar's side (to see how Koorzhar's units target Rossauba)</span>"
                 [command]
                     [modify_side]
                         side=1
@@ -152,7 +152,7 @@ Note: The Protect Unit AI is coded as a Micro AI. A Micro AI can be added and ad
                 [/command]
             [/option]
             [option]
-                message= _ "<span font='16'>I'll play Koorzhar's side (to see how Langzhar's units protect Rossauba)</span>"
+                label= _ "<span font='16'>I'll play Koorzhar's side (to see how Langzhar's units protect Rossauba)</span>"
                 [command]
                     [modify_side]
                         side=2

data/ai/micro_ais/scenarios/wolves.cfg

@@ -202,7 +202,7 @@ Note that the leader of the human-controlled side, Rutburt, can move 99 hexes pe
 Also note that the wolves AI is coded as a Micro AI. A Micro AI can be added and adapted to the need of a scenario easily using only WML and the [micro_ai] tag. Check out the <span color='#00A000'>Micro AI wiki page</span> at http://wiki.wesnoth.org/Micro_AIs for more information." # wmllint: no spellcheck
             # wmllint: unbalanced-off
             [option]
-                message= _ "<span font='16'>I'll just watch the two wolf sides.</span>"
+                label= _ "<span font='16'>I'll just watch the two wolf sides.</span>"
                 [command]
                     [modify_side]
                         side=1
@@ -215,7 +215,7 @@ Also note that the wolves AI is coded as a Micro AI. A Micro AI can be added and
                 [/command]
             [/option]
             [option]
-                message= _ "<span font='16'>I want to have control of Side 1.</span>"
+                label= _ "<span font='16'>I want to have control of Side 1.</span>"
             [/option]
         [/message]