t4201: Do not display weird characters on the terminal

Now that git-commit got chatty, we have to shut it up again.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>

t/t4201-shortlog.sh

@@ -15,19 +15,19 @@ commit=$( (echo "Test"; echo) | git commit-tree $tree )
 git update-ref HEAD $commit
 
 echo 2 > a1
-git commit -m "This is a very, very long first line for the commit message to see if it is wrapped correctly" a1
+git commit --quiet -m "This is a very, very long first line for the commit message to see if it is wrapped correctly" a1
 
 # test if the wrapping is still valid when replacing all i's by treble clefs.
 echo 3 > a1
-git commit -m "$(echo "This is a very, very long first line for the commit message to see if it is wrapped correctly" | sed "s/i/1234/g" | tr 1234 '\360\235\204\236')" a1
+git commit --quiet -m "$(echo "This is a very, very long first line for the commit message to see if it is wrapped correctly" | sed "s/i/1234/g" | tr 1234 '\360\235\204\236')" a1
 
 # now fsck up the utf8
 git repo-config i18n.commitencoding non-utf-8
 echo 4 > a1
-git commit -m "$(echo "This is a very, very long first line for the commit message to see if it is wrapped correctly" | sed "s/i/1234/g" | tr 1234 '\370\235\204\236')" a1
+git commit --quiet -m "$(echo "This is a very, very long first line for the commit message to see if it is wrapped correctly" | sed "s/i/1234/g" | tr 1234 '\370\235\204\236')" a1
 
 echo 5 > a1
-git commit -m "a								12	34	56	78" a1
+git commit --quiet -m "a								12	34	56	78" a1
 
 git shortlog -w HEAD > out