--- previous/src/gui-sdl/dlgDiskSelect.c	2018/04/24 19:30:44	1.1
+++ previous/src/gui-sdl/dlgDiskSelect.c	2018/04/24 19:32:48	1.1.1.2
@@ -456,7 +456,7 @@ static void DlgFileSelect_Convert_ypos_t
  * within a selected zip file, or NULL if browsing zip files is disallowed.
  * bAllowNew: true if the user is allowed to insert new file names.
  */
-char* SDLGui_DiskSelectDialog(const char *path_and_name, char **zip_path, bool *readonly)
+static char* SDLGui_DiskSelectDialog(const char *path_and_name, char **zip_path, bool *readonly)
 {
     struct dirent **files = NULL;
     char *pStringMem;