move get_user_choice function to a new file

src/CMakeLists.txt

@@ -1025,6 +1025,7 @@ set(wesnoth-main_SRC
 	synced_checkup.cpp
 	synced_context.cpp
 	synced_commands.cpp
+	synced_user_choice.cpp
 	syncmp_handler.cpp
 	team.cpp
 	teambuilder.cpp

src/SConscript

@@ -585,6 +585,7 @@ wesnoth_sources = Split("""
     synced_checkup.cpp
     synced_context.cpp
     synced_commands.cpp
+    synced_user_choice.cpp
     syncmp_handler.cpp
     team.cpp
     teambuilder.cpp

src/actions/attack.cpp

@@ -41,6 +41,7 @@
 #include "../resources.hpp"
 #include "../statistics.hpp"
 #include "../synced_checkup.hpp"
+#include "../synced_user_choice.hpp"
 #include "../team.hpp"
 #include "../tod_manager.hpp"
 #include "../unit.hpp"

src/game_events/action_wml.cpp

@@ -57,6 +57,7 @@
 #include "sound.hpp"
 #include "soundsource.hpp"
 #include "synced_context.hpp"
+#include "synced_user_choice.hpp"
 #include "team.hpp"
 #include "terrain_filter.hpp"
 #include "unit.hpp"

src/persist_var.cpp

@@ -21,7 +21,7 @@
 #include "persist_manager.hpp"
 #include "persist_var.hpp"
 #include "play_controller.hpp"
-#include "replay.hpp"
+#include "synced_user_choice.hpp"
 #include "resources.hpp"
 #include "team.hpp"
 #include "util.hpp"