Fix a warning.

src/server/scripts/Commands/cs_debug.cpp

@@ -1316,6 +1316,8 @@ public:
             target->SendMovementFlagUpdate();
             handler->PSendSysMessage(LANG_MOVEFLAGS_SET, target->GetUnitMovementFlags(), target->GetExtraUnitMovementFlags());
         }
+        
+        return true;
     }
 };