Enable init'ed but unused var warning on windows for closer parity with mac/linux warnings.

src/views/win/skia_win.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include <Windows.h>
 #include <tchar.h>
 
@@ skipping 120 matching lines @@
                             CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
 
    if (!hWnd)
    {
       return FALSE;
    }
 
    char* argv[4096];
    int argc = 0;
    TCHAR exename[1024], *next;
-   int exenameLen = GetModuleFileName(NULL, exename, 1024);
+   int exenameLen = GetModuleFileName(NULL, exename, SK_ARRAY_COUNT(exename));
+   // we're ignoring the possibility that the exe name exceeds the exename buffer
+   (void) exenameLen;
    argv[argc++] = tchar_to_utf8(exename);
    TCHAR* arg = _tcstok_s(lpCmdLine, _T(" "), &next);
    while (arg != NULL) {
       argv[argc++] = tchar_to_utf8(arg);
       arg = _tcstok_s(NULL, _T(" "), &next);
    }
 
    gSkWind = create_sk_window(hWnd, argc, argv);
    for (int i = 0; i < argc; ++i) {
       free(argv[i]);
@@ skipping 44 matching lines @@
     case WM_COMMAND:
         if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
         {
             EndDialog(hDlg, LOWORD(wParam));
             return (INT_PTR)TRUE;
         }
         break;
     }
     return (INT_PTR)FALSE;
 }