winecfg: Make some variables static.

programs/winecfg/theme.c

@@ -423,8 +423,8 @@ static void do_apply_theme (int themeIndex, int colorIndex, int sizeIndex)
     }
 }
 
-int updating_ui;
-BOOL theme_dirty;
+static int updating_ui;
+static BOOL theme_dirty;
 
 static void enable_size_and_color_controls (HWND dialog, BOOL enable)
 {

programs/winecfg/winecfg.h

@@ -116,7 +116,7 @@ void apply_drive_changes(void);
 BOOL browse_for_unix_folder(HWND dialog, WCHAR *pszPath);
 extern struct drive drives[26]; /* one for each drive letter */
 
-BOOL gui_mode;
+extern BOOL gui_mode;
 
 /* Some basic utilities to make win32 suck less */
 #define disable(id) EnableWindow(GetDlgItem(dialog, id), 0);