fix valgrind bug

R=mtklein
BUG=skia:3654

Review URL: https://codereview.chromium.org/1064663003
diff --git a/src/pathops/SkPathOpsTSect.h b/src/pathops/SkPathOpsTSect.h
index b709a60..ae01a1d 100644
--- a/src/pathops/SkPathOpsTSect.h
+++ b/src/pathops/SkPathOpsTSect.h
@@ -810,6 +810,8 @@
         ++fDebugAllocatedCount;
 #endif
     }
+    result->fHasPerp = false;
+    result->fDeleted = false;
     ++fActiveCount; 
     PATH_OPS_DEBUG_T_SECT_CODE(result->fID = fDebugCount++ * 2 + fID);
     PATH_OPS_DEBUG_CODE(result->fDebugSect = this);