Patch from Bernhard Fischer to make a bunch of symbols static
which were otherwise cluttering the global namespace.
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index 7e0c757..da7a67b 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -48,7 +48,7 @@
 	struct rtnl_handle *rth;
 } filter;
 
-void print_link_flags(FILE *fp, unsigned flags, unsigned mdown)
+static void print_link_flags(FILE *fp, unsigned flags, unsigned mdown)
 {
 	fprintf(fp, "<");
 	flags &= ~IFF_RUNNING;