Appease valgrind wrt testing code initialization

src/pathops/SkPathOpsSimplify.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkAddIntersections.h"
 #include "SkOpCoincidence.h"
 #include "SkOpEdgeBuilder.h"
 #include "SkPathOpsCommon.h"
@@ skipping 198 matching lines @@
     if (!HandleCoincidence(contourList, &coincidence, &allocator)) {
         return false;
     }
 #if DEBUG_DUMP_ALIGNMENT
     contour.dumpSegments("aligned");
 #endif
     // construct closed contours
     result->reset();
     result->setFillType(fillType);
     SkPathWriter wrapper(*result);
-    bool closable;
+    bool closable SK_INIT_TO_AVOID_WARNING;
     if (builder.xorMask() == kWinding_PathOpsMask
             ? !bridgeWinding(contourList, &wrapper, &allocator, &closable)
             : !bridgeXor(contourList, &wrapper, &allocator, &closable)) {
         return false;
     }
     if (!closable)
     {  // if some edges could not be resolved, assemble remaining fragments
         SkPath temp;
         temp.setFillType(fillType);
         SkPathWriter assembled(temp);
         Assemble(wrapper, &assembled);
         *result = *assembled.nativePath();
         result->setFillType(fillType);
     }
     return true;
 }