Fixed crash on exit by resetting logging callbacks after game lib has

been unloaded

src/common/log.c

@@ -173,7 +173,7 @@ void log_error_callback_set(Log_Error_CB callback)
 }
 
 void log_message_callback_stub(const char* message, va_list args)
-{
+{
 	// This is just a stub in-case no callback has been set
 }
 
@@ -183,6 +183,13 @@ void log_warning_callback_stub(const char* warning_message, va_list args)
 }
 
 void log_error_callback_stub(const char* context, const char* message, va_list args)
-{
+{
-	// This is just a stub in-case no callback has been set
+    // This is just a stub in-case no callback has been set
-}
+}
+
+void log_reset_all_callbacks(void)
+{
+    message_callback = log_message_callback_stub;
+    warning_callback = log_warning_callback_stub;
+    error_callback   = log_error_callback_stub;
+}

src/common/log.h

@@ -20,5 +20,6 @@ void  log_file_handle_set(FILE* file);
 void  log_message_callback_set(Log_Message_CB callback);
 void  log_warning_callback_set(Log_Warning_CB callback);
 void  log_error_callback_set(Log_Error_CB callback);
+void  log_reset_all_callbacks(void);
 
 #endif

src/game/main.c

@@ -278,6 +278,7 @@ void cleanup(void)
 	if(game.cleanup) game.cleanup();
 	if(game_lib_handle) platform_unload_library(game_lib_handle);
     if(window) window_destroy(window);
+    log_reset_all_callbacks(); // Now that the game library has been unloaded, reset all callbacks to stubs so we don't crash on exit
     sound_cleanup();
     platform_unload_gl();
     platform_cleanup();
@@ -301,7 +302,7 @@ bool game_lib_load(void)
 		return false;
 	}
 	
-    game_lib_handle = platform_load_library("libSymmetry.copy");
+    game_lib_handle = platform_load_library("Symmetry_Game.copy");
 #else
 	game_lib_handle = platform_load_library("Symmetry_Game");
 #endif