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/base64.c

@@ -52,7 +52,7 @@ pos(char c)
     return -1;
 }
 
-int 
+int ROKEN_LIB_FUNCTION
 base64_encode(const void *data, int size, char **str)
 {
     char *s, *p;
@@ -114,7 +114,7 @@ token_decode(const char *token)
     return (marker << 24) | val;
 }
 
-int
+int ROKEN_LIB_FUNCTION
 base64_decode(const char *str, void *data)
 {
     const char *p;