git-am.sh: fix initialization of the threeway variable

diff --git a/t/t9400-git-cvsserver-server.sh b/t/t9400-git-cvsserver-server.sh
index 1f06e25db6451150ff0a066e0d342414301433a3..6146c3fec293915b4599748e7a787539a7715e1a 100755 (executable)
--- a/t/t9400-git-cvsserver-server.sh
+++ b/t/t9400-git-cvsserver-server.sh
@@ -25,7 +25,6 @@ perl -e 'use DBI; use DBD::SQLite' >/dev/null 2>&1 || {
     test_done
 }
 
-unset GIT_DIR GIT_CONFIG
 WORKDIR=$(pwd)
 SERVERDIR=$(pwd)/gitcvs.git
 git_config="$SERVERDIR/config"