Add static qualifier to local functions

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6436 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/fpu/softfloat-native.c b/fpu/softfloat-native.c
index 9eba035..90fa8b9 100644
--- a/fpu/softfloat-native.c
+++ b/fpu/softfloat-native.c
@@ -54,7 +54,7 @@
 #if defined(_ARCH_PPC)
 
 /* correct (but slow) PowerPC rint() (glibc version is incorrect) */
-double qemu_rint(double x)
+static double qemu_rint(double x)
 {
     double y = 4503599627370496.0;
     if (fabs(x) >= y)