i18n: git-status "Initial commit" message

Gettextize the "# Initial commit" message. A test in t7501-commit.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>

t/t7501-commit.sh

@@ -14,8 +14,11 @@ test_tick
 test_expect_success \
 	"initial status" \
 	"echo 'bongo bongo' >file &&
-	 git add file && \
-	 git status | grep 'Initial commit'"
+	 git add file"
+
+test_expect_success C_LOCALE_OUTPUT \
+	"Constructing initial commit" \
+	"git status | grep 'Initial commit'"
 
 test_expect_success \
 	"fail initial amend" \

wt-status.c

@@ -725,7 +725,7 @@ void wt_status_print(struct wt_status *s)
 
 	if (s->is_initial) {
 		status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
-		status_printf_ln(s, color(WT_STATUS_HEADER, s), "Initial commit");
+		status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));
 		status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
 	}