drivers/video/tmiofb.c: fix uninitialised return value

drivers/video/tmiofb.c: In function 'tmiofb_resume':
drivers/video/tmiofb.c:977: warning: 'retval' may be used uninitialized in this function
Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/tmiofb.c

@@ -974,7 +974,7 @@ static int tmiofb_resume(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 	struct mfd_cell *cell = dev->dev.platform_data;
-	int retval;
+	int retval = 0;
 
 	acquire_console_sem();