[PATCH] fix modular fb drivers

From: Arnd Bergmann <arnd@arndb.de>

The recent "fbdev: monitor detection fixes" patch broke modular frame
buffer drivers.

drivers/video/modedb.c

@@ -554,5 +554,5 @@ int fb_find_mode(struct fb_var_screeninfo *var,
     return 0;
 }
 
-EXPORT_SYMBOL(__fb_try_mode);
 EXPORT_SYMBOL(vesa_modes);
+EXPORT_SYMBOL(fb_find_mode);