Pierre Schweitzer : mpr: Add support for REG_EXPAND_SZ for providers path.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 97585fed061bb7ce0eb2e292da6a88b7348070c6
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=97585fed061bb7ce0eb2e292da6a88b7348070c6

Author: Pierre Schweitzer <pierre at reactos.org>
Date:   Mon Jan 25 08:17:48 2016 +0100

mpr: Add support for REG_EXPAND_SZ for providers path.

Signed-off-by: Pierre Schweitzer <pierre at reactos.org>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
(cherry picked from commit 80eb2fa08eb21ba9504438493fa66097ed03faf5)
Signed-off-by: Michael Stefaniuc <mstefani at winehq.org>

---

 dlls/mpr/wnet.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/dlls/mpr/wnet.c b/dlls/mpr/wnet.c
index dd34969..f130de0 100644
--- a/dlls/mpr/wnet.c
+++ b/dlls/mpr/wnet.c
@@ -133,11 +133,17 @@ static void _tryLoadProvider(PCWSTR provider)
         DWORD type, size = sizeof(providerPath);
 
         if (RegQueryValueExW(hKey, szProviderPath, NULL, &type,
-         (LPBYTE)providerPath, &size) == ERROR_SUCCESS && type == REG_SZ)
+         (LPBYTE)providerPath, &size) == ERROR_SUCCESS && (type == REG_SZ || type == REG_EXPAND_SZ))
         {
             static const WCHAR szProviderName[] = { 'N','a','m','e',0 };
             PWSTR name = NULL;
-           
+
+            if (type == REG_EXPAND_SZ)
+            {
+                WCHAR path[MAX_PATH];
+                if (ExpandEnvironmentStringsW(providerPath, path, MAX_PATH)) lstrcpyW( providerPath, path );
+            }
+
             size = 0;
             RegQueryValueExW(hKey, szProviderName, NULL, NULL, NULL, &size);
             if (size)