[PATCH] Need to set PAGER in tests

"t5400-send-pack.sh --verbose" stops waiting for user input.  It happens
because "git log" uses less for output now.  To prevent this, PAGER
should be set to cat.
Signed-off-by: NPavel Roskin <proski@gnu.org>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

t/test-lib.sh

@@ -5,8 +5,9 @@
 
 # For repeatability, reset the environment to known value.
 LANG=C
+PAGER=cat
 TZ=UTC
-export LANG TZ
+export LANG PAGER TZ
 unset AUTHOR_DATE
 unset AUTHOR_EMAIL
 unset AUTHOR_NAME