do not export fls_bit


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1529 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/apic.c b/hw/apic.c
index 581aa7b..a66e032 100644
--- a/hw/apic.c
+++ b/hw/apic.c
@@ -178,7 +178,7 @@
     return s->tpr >> 4;
 }
 
-int fls_bit(int value)
+static int fls_bit(int value)
 {
     unsigned int ret = 0;