Appease valgrind wrt testing code initialization

tests/PathOpsSimplifyRectThreadedTest.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 "PathOpsExtendedTest.h"
 #include "PathOpsThreadedCommon.h"
 
 // four rects, of four sizes
@@ skipping 24 matching lines @@
         for (int aYAlign = 0; aYAlign < 5; ++aYAlign) {
             for (int bXAlign = 0; bXAlign < 5; ++bXAlign) {
                 for (int bYAlign = 0; bYAlign < 5; ++bYAlign) {
                     for (int cXAlign = 0; cXAlign < 5; ++cXAlign) {
                          for (int cYAlign = 0; cYAlign < 5; ++cYAlign) {
                             for (int dXAlign = 0; dXAlign < 5; ++dXAlign) {
     for (int dYAlign = 0; dYAlign < 5; ++dYAlign) {
         SkPath path, out;
         char* str = pathStr;
         path.setFillType(SkPath::kWinding_FillType);
-        int l, t, r, b;
+        int l SK_INIT_TO_AVOID_WARNING, t SK_INIT_TO_AVOID_WARNING,
+            r SK_INIT_TO_AVOID_WARNING, b SK_INIT_TO_AVOID_WARNING;
         if (aShape) {
             switch (aShape) {
                 case 1:  // square
                     l =  0; r = 60;
                     t =  0; b = 60;
                     aXAlign = 5;
                     aYAlign = 5;
                     break;
                 case 2:
                     l =  aXAlign * 12;
@@ skipping 140 matching lines @@
                     *testRunner.fRunnables.append() = new PathOpsThreadedRunnable(
                             &testSimplify4x4RectsMain, a, b, c, d, &testRunner);
                 }
                 if (!reporter->allowExtendedTest()) goto finish;
             }
         }
     }
 finish:
     testRunner.render();
 }