Eliminate an unnecessary chdir("..")
Eliminate an unnecessary chdir("..")

In the case where setup_git_directory_gently fails, avoid the last
chdir("..") by moving it after the ceil_offset check.

Signed-off-by: David Reiss <6fea36cbb95d0d9800fb9224813d5738559b1144@facebook.com>
Signed-off-by: Junio C Hamano <a6723cc3f76163bf7adb636a73ac3b0ceb3e6b9b@pobox.com>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git