shell32: Fix definitions for FOLDERID_ProgramFilesX64 and FOLDERID_ProgramFilesCommonX64 on 64-bit.

dlls/shell32/shellpath.c

@@ -2697,9 +2697,15 @@ static const CSIDL_DATA CSIDL_Data[] =
     },
     { /* 0x54 */
         &FOLDERID_ProgramFilesX64,
+#ifdef _WIN64
+        CSIDL_Type_CurrVer,
+        ProgramFilesDirW,
+        Program_FilesW,
+#else
         CSIDL_Type_NonExistent,
         NULL,
         NULL,
+#endif
 
         KF_CATEGORY_FIXED, /* category */
         ProgramFilesX64W, /* name */
@@ -2717,9 +2723,15 @@ static const CSIDL_DATA CSIDL_Data[] =
     },
     { /* 0x55 */
         &FOLDERID_ProgramFilesCommonX64,
+#ifdef _WIN64
+        CSIDL_Type_CurrVer,
+        ProgramFilesCommonX64W,
+        Program_Files_Common_FilesW,
+#else
         CSIDL_Type_NonExistent,
         NULL,
         NULL,
+#endif
 
         KF_CATEGORY_FIXED, /* category */
         ProgramFilesCommonX64W, /* name */

dlls/shell32/tests/shellpath.c

@@ -1932,6 +1932,28 @@ if (0) { /* crashes */
 
     hr = pSHGetFolderPathEx(&FOLDERID_Desktop, 0, NULL, buffer, len + 1);
     ok(hr == S_OK, "expected S_OK, got 0x%08x\n", hr);
+
+    path = NULL;
+    hr = pSHGetKnownFolderPath(&FOLDERID_ProgramFilesX64, 0, NULL, &path);
+#ifdef _WIN64
+    ok(hr == S_OK, "got 0x%08x\n", hr);
+    ok(path != NULL, "path not set\n");
+    CoTaskMemFree(path);
+#else
+    todo_wine ok(hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND), "got 0x%08x\n", hr);
+    ok(path == NULL, "path set\n");
+#endif
+
+    path = NULL;
+    hr = pSHGetKnownFolderPath(&FOLDERID_ProgramFilesCommonX64, 0, NULL, &path);
+#ifdef _WIN64
+    ok(hr == S_OK, "expected S_OK, got 0x%08x\n", hr);
+    ok(path != NULL, "path not set\n");
+    CoTaskMemFree(path);
+#else
+    todo_wine ok(hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND), "got 0x%08x\n", hr);
+    ok(path == NULL, "path set\n");
+#endif
 }
 
 static BOOL is_in_strarray(const WCHAR *needle, const char *hay)