Merge branch 'bw/test-fix-grep-gnuism'

Fix two places that were the only place in the test suite that gave "a\+"
to platform grep and expected it to mean one or more "a", which is a
blatant GNUism.

* bw/test-fix-grep-gnuism:
  t9400: fix gnuism in grep

t/t9400-git-cvsserver-server.sh

@@ -500,8 +500,8 @@ test_expect_success 'cvs status (no subdirs in header)' '
 cd "$WORKDIR"
 test_expect_success 'cvs co -c (shows module database)' '
     GIT_CONFIG="$git_config" cvs co -c > out &&
-    grep "^master[	 ]\+master$" < out &&
-    ! grep -v "^master[	 ]\+master$" < out
+    grep "^master[	 ][ 	]*master$" <out &&
+    ! grep -v "^master[	 ][ 	]*master$" <out
 '
 
 #------------