thodg/libgit2

diff --git a/src/transports/winhttp.c b/src/transports/winhttp.c
index 067d6fc..7022435 100644
--- a/src/transports/winhttp.c
+++ b/src/transports/winhttp.c
@@ -265,15 +265,19 @@ static int winhttp_stream_connect(winhttp_stream *s)
 		goto on_error;
 	}
 
-	/* Send Content-Type header -- only necessary on a POST */
 	if (post_verb == s->verb) {
+		/* Send Content-Type and Accept headers -- only necessary on a POST */
 		git_buf_clear(&buf);
-		if (git_buf_printf(&buf, "Content-Type: application/x-git-%s-request", s->service) < 0)
+		if (git_buf_printf(&buf,
+			"Content-Type: application/x-git-%s-request\r\n"
+			"Accept: application/x-git-%s-result\r\n",
+			s->service, s->service) < 0)
 			goto on_error;
 
 		git__utf8_to_16(ct, MAX_CONTENT_TYPE_LEN, git_buf_cstr(&buf));
 
-		if (!WinHttpAddRequestHeaders(s->request, ct, (ULONG) -1L, WINHTTP_ADDREQ_FLAG_ADD)) {
+		if (!WinHttpAddRequestHeaders(s->request, ct, (ULONG) -1L,
+			WINHTTP_ADDREQ_FLAG_ADD | WINHTTP_ADDREQ_FLAG_REPLACE)) {
 			giterr_set(GITERR_OS, "Failed to add a header to the request");
 			goto on_error;
 		}
diff --git a/tests-clar/online/clone.c b/tests-clar/online/clone.c
index 4a6ade5..aa3d6b2 100644
--- a/tests-clar/online/clone.c
+++ b/tests-clar/online/clone.c
@@ -11,6 +11,7 @@
 #define BB_REPO_URL "https://libgit2@bitbucket.org/libgit2/testgitrepository.git"
 #define BB_REPO_URL_WITH_PASS "https://libgit2:libgit2@bitbucket.org/libgit2/testgitrepository.git"
 #define BB_REPO_URL_WITH_WRONG_PASS "https://libgit2:wrong@bitbucket.org/libgit2/testgitrepository.git"
+#define ASSEMBLA_REPO_URL "https://libgit2:_Libgit2@git.assembla.com/libgit2-test-repos.git"
 
 static git_repository *g_repo;
 static git_clone_options g_options;
@@ -227,6 +228,11 @@ void test_online_clone__bitbucket_style(void)
 	cl_fixture_cleanup("./foo");
 }
 
+void test_online_clone__assembla_style(void)
+{
+	cl_git_pass(git_clone(&g_repo, ASSEMBLA_REPO_URL, "./foo", NULL));
+}
+
 static int cancel_at_half(const git_transfer_progress *stats, void *payload)
 {
 	GIT_UNUSED(payload);