config.mak.in: define paths without trailing slash
config.mak.in: define paths without trailing slash

The main Makefile defines gitexecdir and template_dir without trailing
slash.  config.mak.in should do the same to be consistent.

Signed-off-by: Pascal Obry <de9b8d32d21ac4abee992cab0591365746b5103f@obry.net>
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