Fix incorrect return type.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1802 c046a42c-6fe2-441c-8c8c-71466251a162

hw/lance.c

@@ -283,7 +283,7 @@ static CPUWriteMemoryFunc *lance_mem_write[3] = {
 
 #define MIN_BUF_SIZE 60
 
-static void lance_can_receive(void *opaque)
+static int lance_can_receive(void *opaque)
 {
     return 1;
 }