Merge branch 'ye/http-accept-language'

Using environment variable LANGUAGE and friends on the client side,
HTTP-based transports now send Accept-Language when making requests.

* ye/http-accept-language:
  http: add Accept-Language header if possible

remote-curl.c

@@ -962,6 +962,8 @@ int main(int argc, const char **argv)
 	struct strbuf buf = STRBUF_INIT;
 	int nongit;
 
+	git_setup_gettext();
+
 	git_extract_argv0_path(argv[0]);
 	setup_git_directory_gently(&nongit);
 	if (argc < 2) {