msi: Make MsiGetMode() RPC-compatible.

dlls/msi/install.c

@@ -561,18 +561,11 @@ BOOL WINAPI MsiGetMode(MSIHANDLE hInstall, MSIRUNMODE iRunMode)
     if (!package)
     {
         MSIHANDLE remote;
-        BOOL ret;
-        HRESULT hr;
 
         if (!(remote = msi_get_remote(hInstall)))
             return FALSE;
 
-        hr = remote_GetMode(remote, iRunMode, &ret);
-
-        if (hr == S_OK)
-            return ret;
-
-        return FALSE;
+        return remote_GetMode(remote, iRunMode);
     }
 
     switch (iRunMode)

dlls/msi/package.c

@@ -2513,10 +2513,9 @@ UINT __cdecl remote_GetSourcePath(MSIHANDLE hinst, LPCWSTR folder, LPWSTR *value
     return r;
 }
 
-HRESULT __cdecl remote_GetMode(MSIHANDLE hinst, MSIRUNMODE mode, BOOL *ret)
+BOOL __cdecl remote_GetMode(MSIHANDLE hinst, MSIRUNMODE mode)
 {
-    *ret = MsiGetMode(hinst, mode);
-    return S_OK;
+    return MsiGetMode(hinst, mode);
 }
 
 HRESULT __cdecl remote_SetMode(MSIHANDLE hinst, MSIRUNMODE mode, BOOL state)

dlls/msi/winemsi.idl

@@ -79,7 +79,7 @@ interface IWineMsiRemote
     UINT remote_GetTargetPath( [in] MSIHANDLE hinst, [in, string] LPCWSTR folder, [out, string] LPWSTR *value );
     UINT remote_SetTargetPath( [in] MSIHANDLE hinst, [in, string] LPCWSTR folder, [in, string] LPCWSTR value );
     UINT remote_GetSourcePath( [in] MSIHANDLE hinst, [in, string] LPCWSTR folder, [out, string] LPWSTR *value );
-    HRESULT remote_GetMode( [in] MSIHANDLE hinst, [in] MSIRUNMODE mode, [out] BOOL *ret );
+    BOOL remote_GetMode( [in] MSIHANDLE hinst, [in] MSIRUNMODE mode );
     HRESULT remote_SetMode( [in] MSIHANDLE hinst, [in] MSIRUNMODE mode, [in] BOOL state );
     HRESULT remote_GetFeatureState( [in] MSIHANDLE hinst, [in] BSTR feature, [out] INSTALLSTATE *installed, [out] INSTALLSTATE *action );
     HRESULT remote_SetFeatureState( [in] MSIHANDLE hinst, [in] BSTR feature, [in] INSTALLSTATE state );