Fix SW sRGB dst + LCD coverage bug.

src/core/SkXfermode4f.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPM4fPriv.h"
 #include "SkUtils.h"
 #include "SkXfermode.h"
@@ skipping 446 matching lines @@
         r4 = lerp(r4, d4, lcd16_to_unit_4f(rgb));
         dst[i] = store_dst<D>(r4) | (SK_A32_MASK << SK_A32_SHIFT);
     }
 }
 
 SkXfermode::LCD32Proc SkXfermode::GetLCD32Proc(uint32_t flags) {
     SkASSERT((flags & ~7) == 0);
     flags &= 7;
 
     const LCD32Proc procs[] = {
+        srcover_n_lcd<kLinear_Dst>, src_n_lcd<kLinear_Dst>,
+        srcover_1_lcd<kLinear_Dst>, src_1_lcd<kLinear_Dst>,
+
         srcover_n_lcd<kSRGB_Dst>,   src_n_lcd<kSRGB_Dst>,
         srcover_1_lcd<kSRGB_Dst>,   src_1_lcd<kSRGB_Dst>,
-
-        srcover_n_lcd<kLinear_Dst>, src_n_lcd<kLinear_Dst>,
-        srcover_1_lcd<kLinear_Dst>, src_1_lcd<kLinear_Dst>,
     };
     return procs[flags];
 }