V4L/DVB: ir-core: Remove warining noise if decoders compiled builtin

drivers/media/IR/ir-raw-event.c:55: warning: ‘wq_load’ defined but not used
drivers/media/IR/ir-raw-event.c:222: warning: ‘init_decoders’ defined but not used
drivers/media/IR/rc-map.c: In function ‘get_rc_map’:
drivers/media/IR/rc-map.c:40: warning: unused variable ‘rc’

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/IR/rc-map.c b/drivers/media/IR/rc-map.c
index ff185c0..1a3f4b1 100644
--- a/drivers/media/IR/rc-map.c
+++ b/drivers/media/IR/rc-map.c
@@ -37,14 +37,13 @@
 
 struct ir_scancode_table *get_rc_map(const char *name)
 {
-	int rc = 0;
 
 	struct rc_keymap *map;
 
 	map = seek_rc_map(name);
 #ifdef MODULE
 	if (!map) {
-		rc = request_module(name);
+		int rc = request_module(name);
 		if (rc < 0) {
 			printk(KERN_ERR "Couldn't load IR keymap %s\n", name);
 			return NULL;