shlwapi: Don't unescape url in UrlCombineW with URL_FILE_USE_PATHURL flag.

dlls/shlwapi/tests/path.c

@@ -195,7 +195,10 @@ const TEST_URL_COMBINE TEST_COMBINE[] = {
     {"http://www.winehq.org/tests/#example", "tests9", 0, S_OK, "http://www.winehq.org/tests/tests9"},
     {"http://www.winehq.org/tests/../tests/", "/tests10/..", URL_DONT_SIMPLIFY, S_OK, "http://www.winehq.org/tests10/.."},
     {"http://www.winehq.org/tests/../", "tests11", URL_DONT_SIMPLIFY, S_OK, "http://www.winehq.org/tests/../tests11"},
-    {"file:///C:\\dir\\file.txt", "test.txt", 0, S_OK, "file:///C:/dir/test.txt"}
+    {"file:///C:\\dir\\file.txt", "test.txt", 0, S_OK, "file:///C:/dir/test.txt"},
+    {"http://www.winehq.org/test/", "test%20file.txt", 0, S_OK, "http://www.winehq.org/test/test%20file.txt"},
+    {"http://www.winehq.org/test/", "test%20file.txt", URL_FILE_USE_PATHURL, S_OK, "http://www.winehq.org/test/test%20file.txt"},
+    {"http://www.winehq.org%2ftest/", "test%20file.txt", URL_FILE_USE_PATHURL, S_OK, "http://www.winehq.org%2ftest/test%20file.txt"}
 };
 
 struct {

dlls/shlwapi/url.c

@@ -803,7 +803,7 @@ HRESULT WINAPI UrlCombineW(LPCWSTR pszBase, LPCWSTR pszRelative,
 
     if (ret == S_OK) {
 	/* Reuse mrelative as temp storage as its already allocated and not needed anymore */
-	ret = UrlCanonicalizeW(preliminary, mrelative, pcchCombined, dwFlags);
+	ret = UrlCanonicalizeW(preliminary, mrelative, pcchCombined, (dwFlags & ~URL_FILE_USE_PATHURL));
 	if(SUCCEEDED(ret) && pszCombined) {
 	    lstrcpyW(pszCombined, mrelative);
 	}