t/t{3600,3800,5401}: do not use egrep when grep would do

There is nothing _wrong_ with egrep per se, but this way we
would have less dependency on external tools.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/t/t3800-mktag.sh b/t/t3800-mktag.sh
index 261f199a0c..e5f3073f88 100755
--- a/t/t3800-mktag.sh
+++ b/t/t3800-mktag.sh
@@ -15,7 +15,7 @@ check_verify_failure () {
     test_expect_success \
         "$1" \
         'git-mktag <tag.sig 2>message ||
-         egrep -q -f expect.pat message'
+        grep -q -f expect.pat message'
 }
 
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