always use 64 bit long for fixed mul

include/core/SkPostConfig.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPostConfig_DEFINED
 #define SkPostConfig_DEFINED
 
@@ skipping 211 matching lines @@
          SK_ ## C1 ## 32_SHIFT == 16 &&             \
          SK_ ## C0 ## 32_SHIFT == 24)
 #else
 #  define SK_PMCOLOR_BYTE_ORDER(C0, C1, C2, C3)     \
         (SK_ ## C0 ## 32_SHIFT == 0  &&             \
          SK_ ## C1 ## 32_SHIFT == 8  &&             \
          SK_ ## C2 ## 32_SHIFT == 16 &&             \
          SK_ ## C3 ## 32_SHIFT == 24)
 #endif
 
-//////////////////////////////////////////////////////////////////////
-
-// TODO: rebaseline as needed so we can remove this flag entirely.
-//  - all platforms have int64_t now
-//  - we have slightly different fixed math results because of this check
-//    since we don't define this for linux/android
-#if defined(SK_BUILD_FOR_WIN32) || defined(SK_BUILD_FOR_MAC)
-#  ifndef SkLONGLONG
-#    define SkLONGLONG int64_t
-#  endif
-#endif
-
 //////////////////////////////////////////////////////////////////////////////////////////////
 #ifndef SK_BUILD_FOR_WINCE
 #  include <string.h>
 #  include <stdlib.h>
 #else
 #  define _CMNINTRIN_DECLARE_ONLY
 #  include "cmnintrin.h"
 #endif
 
 #if defined SK_DEBUG && defined SK_BUILD_FOR_WIN32
@@ skipping 162 matching lines @@
 
 #if defined(SK_GAMMA_EXPONENT) && defined(SK_GAMMA_SRGB)
 #  error "cannot define both SK_GAMMA_EXPONENT and SK_GAMMA_SRGB"
 #elif defined(SK_GAMMA_SRGB)
 #  define SK_GAMMA_EXPONENT (0.0f)
 #elif !defined(SK_GAMMA_EXPONENT)
 #  define SK_GAMMA_EXPONENT (2.2f)
 #endif
 
 #endif // SkPostConfig_DEFINED