Upgrade for debug output fucntion

source/libublsettingsui-gtk3.c

@@ -481,10 +481,11 @@ int yon_confirmation_dialog_call(GtkWidget *self,dialog_confirmation_data *data)
     return resp;
 }
 
-void yon_debug_output(char *pattern,char*text){
+char* yon_debug_output(char *pattern,char*text){
     if (template_config->debug_mode){
         printf(pattern,text);
     }
+    return text;
 }
 
 // standard functions

source/libublsettingsui-gtk3.h

@@ -252,7 +252,7 @@ template_saving_window *yon_save_proceed(char *path,YON_CONFIG_TYPE type, ...);
 */
 void yon_open_browser(GtkWidget *self, char *link);
 
-void yon_debug_output(char *pattern,char*text);
+char *yon_debug_output(char *pattern,char*text);
 
 /**yon_ubl_connect_config(_template_config *config)
  * [EN]