Fix undeclared symbol warnings from sparse

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5539 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/openpic.c b/hw/openpic.c
index 32cf54e..def20eb 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -128,7 +128,7 @@
     IRQ_INTERNAL = 0x02,
     IRQ_TIMER    = 0x04,
     IRQ_SPECIAL  = 0x08,
-} IRQ_src_type;
+};
 
 typedef struct IRQ_queue_t {
     uint32_t queue[BF_WIDTH(MAX_IRQ)];