define ROKEN_LIB_FUNCTION on all exported functions

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14773 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/inet_aton.c

@@ -41,7 +41,7 @@ RCSID("$Id$");
 /* Minimal implementation of inet_aton.
  * Cannot distinguish between failure and a local broadcast address. */
 
-int
+int ROKEN_LIB_FUNCTION
 inet_aton(const char *cp, struct in_addr *addr)
 {
   addr->s_addr = inet_addr(cp);