(main): Explicitly cast -1 to [ug]id_t to avoid compiler warnings.

diff --git a/src/chown.c b/src/chown.c
index 3971175e2def921d43e6602022c76a64ff59d41f..e1cc6109f3f6e02e2b1643c99bbc126cbcb31410 100644 (file)
--- a/src/chown.c
+++ b/src/chown.c
@@ -105,8 +105,8 @@ main (argc, argv)
      int argc;
      char **argv;
 {
-  uid_t user = -1;             /* New uid; -1 if not to be changed. */
-  gid_t group = -1;            /* New gid; -1 if not to be changed. */
+  uid_t user = (uid_t) -1;     /* New uid; -1 if not to be changed. */
+  gid_t group = (uid_t) -1;    /* New gid; -1 if not to be changed. */
   int errors = 0;
   int optc;
   char *e;