Don't declare strdup if it's defined as a macro.

Reported by Lorne Baker.

diff --git a/lib/userspec.c b/lib/userspec.c
index e73bee9c084ab9bc6e2313ddf78ec015fb2775a6..dd1d88a946758aa40a655acac2a38513ab5b260b 100644 (file)
--- a/lib/userspec.c
+++ b/lib/userspec.c
@@ -85,7 +85,9 @@ struct group *getgrgid ();
 
 #define isdigit(c) ((c) >= '0' && (c) <= '9')
 
+#ifndef strdup
 char *strdup ();
+#endif
 
 /* Return nonzero if STR represents an unsigned decimal integer,
    otherwise return 0. */