Engine: fixed characters sometimes wait after moving before idle anim

Apparently "doing_nothing" flag was set too late, resetting previously set value.

Engine/ac/characterinfo_engine.cpp

@@ -229,7 +229,10 @@ void CharacterInfo::update_character_moving(int &char_index, CharacterExtras *ch
           quitprintf("Unable to render character %d (%s) because there are no frames in loop %d", index_id, name, loop);
       }
 
-      if (walking<1) {
+      doing_nothing = 0; // still walking?
+
+      if (walking < 1) {
+        // Finished walking, stop and reset state
         chex->process_idle_this_time = 1;
         doing_nothing=1;
         walkwait=0;
@@ -241,8 +244,9 @@ void CharacterInfo::update_character_moving(int &char_index, CharacterExtras *ch
             chex->CheckViewFrame(this);
         }
       }
-      else if (chex->animwait > 0) chex->animwait--;
-      else {
+      else if (chex->animwait > 0) {
+          chex->animwait--;
+      } else {
         if (flags & CHF_ANTIGLIDE)
           walkwaitcounter++;
 
@@ -268,7 +272,6 @@ void CharacterInfo::update_character_moving(int &char_index, CharacterExtras *ch
           chex->CheckViewFrame(this);
         }
       }
-      doing_nothing = 0;
     }
 }