Fixed bug at yon_file_save function

source/libublsettings.c

@@ -1935,7 +1935,7 @@ config_str yon_file_open(char *file_path, int *size){
 }
 
 int yon_file_save(char *file_path, char *text){
-    FILE *file = fopen(file_path,"r");
+    FILE *file = fopen(file_path,"w");
     if (file){
         fputs(text,file);
         fclose(file);