(mu_expand_path_pattern): new prototype.

@@ -118,6 +118,9 @@ extern void mu_register_retriever __P((list_t *pflist, mu_retrieve_fp fun));
 extern void * mu_retrieve __P((list_t flist, void *data));
 
 extern int mu_unroll_symlink __P((char *out, size_t outsz, const char *in));
+
+extern char * mu_expand_path_pattern __P((const char *pattern,
+					  const char *username));
   
 #ifdef __cplusplus
 }