i18n: git-branch "Deleted branch [...]" message

Gettextize the "Deleted %sbranch %s (was %s).\n" messages. test in
t3200-branch.sh explicitly checked for this message. Change it to skip
under GETTEXT_POISON=YesPlease.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/branch.c

@@ -214,7 +214,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds)
 			ret = 1;
 		} else {
 			struct strbuf buf = STRBUF_INIT;
-			printf("Deleted %sbranch %s (was %s).\n", remote,
+			printf(_("Deleted %sbranch %s (was %s).\n"), remote,
 			       bname.buf,
 			       find_unique_abbrev(sha1, DEFAULT_ABBREV));
 			strbuf_addf(&buf, "branch.%s", bname.buf);

t/t3200-branch.sh

@@ -203,7 +203,7 @@ test_expect_success 'test deleting branch deletes branch config' \
      test -z "$(git config branch.my7.remote)" &&
      test -z "$(git config branch.my7.merge)"'
 
-test_expect_success 'test deleting branch without config' \
+test_expect_success C_LOCALE_OUTPUT 'test deleting branch without config' \
     'git branch my7 s &&
      sha1=$(git rev-parse my7 | cut -c 1-7) &&
      test "$(git branch -d my7 2>&1)" = "Deleted branch my7 (was $sha1)."'