strbuf: add strbuf_tolower function

diff --git a/t/t4151-am-abort.sh b/t/t4151-am-abort.sh
index c95c4ccc393d0863ad53b6a2a684893282d7d9e6..1176bcccf3b3f3708df04f49bfd084190cd27600 100755 (executable)
--- a/t/t4151-am-abort.sh
+++ b/t/t4151-am-abort.sh
@@ -45,8 +45,9 @@ do
 
        test_expect_success "am$with3 --skip continue after failed am$with3" '
                test_must_fail git am$with3 --skip >output &&
-               test "$(grep "^Applying" output)" = "Applying: 6" &&
-               test_cmp file-2-expect file-2 &&
+               test_i18ngrep "^Applying" output >output.applying &&
+               test_i18ngrep "^Applying: 6$" output.applying &&
+               test_i18ncmp file-2-expect file-2 &&
                test ! -f .git/MERGE_RR
        '