MAINTAINERS: SI4713: fix file pattern

Commit c937ca034a03 ("[media] MAINTAINERS: Add maintainer entry for
si4713 FM transmitter driver") typoed the pattern, fix it.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 0822728..4835a9b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7489,7 +7489,7 @@
 T:	git git://linuxtv.org/media_tree.git
 W:	http://linuxtv.org
 S:	Odd Fixes
-F:	drivers/media/radio/radio-si4713.h
+F:	drivers/media/radio/radio-si4713.c
 
 SIANO DVB DRIVER
 M:	Mauro Carvalho Chehab <m.chehab@samsung.com>