env: fix typo in option string

The -u option is supposed to be allowed to appear multiple times; the
option string supplied to getopt32long requires it to be followed by a
nonnegative integer.

Reported-by: Keith Maxwell <keith.maxwell@gmail.com>
Signed-off-by: Ron Yorston <rmy@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/env.c b/coreutils/env.c
index 20453e871..0aebead1b 100644
--- a/coreutils/env.c
+++ b/coreutils/env.c
@@ -54,7 +54,7 @@ int env_main(int argc UNUSED_PARAM, char **argv)
         unsigned opts;
         llist_t *unset_env = NULL;
 
-        opts = getopt32long(argv, "+iu:+",
+        opts = getopt32long(argv, "+iu:*",
                         "ignore-environment\0" No_argument       "i"
                         "unset\0"              Required_argument "u"
                         , &unset_env