* include/mailutils/mutil.h: Added prototype for util_cpystr().

@@ -56,12 +56,13 @@ extern int mu_parse_imap_date_time __P ((const char **p, struct tm * tm,
 					 mu_timezone * tz));
 extern int mu_parse_ctime_date_time __P ((const char **p, struct tm * tm,
 					 mu_timezone * tz));
-  
+
 extern time_t mu_utc_offset __P ((void));
 extern time_t mu_tm2time __P ((struct tm * timeptr, mu_timezone * tz));
-extern char * mu_get_homedir __P((void));
-extern char * mu_tilde_expansion __P((const char *ref, const char *delim, const char *homedir));
-  
+extern char * mu_get_homedir __P ((void));
+extern char * mu_tilde_expansion __P ((const char *ref, const char *delim, const char *homedir));
+
+extern size_t util_cpystr __P ((char *dst, const char *src, size_t size));
 
 #ifdef __cplusplus
 }