[C++11] Use 'nullptr'. StaticAnalyzer edition.

llvm-svn: 209642
diff --git a/clang/lib/StaticAnalyzer/Checkers/TraversalChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/TraversalChecker.cpp
index 57c9ed4..d02d2df1 100644
--- a/clang/lib/StaticAnalyzer/Checkers/TraversalChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/TraversalChecker.cpp
@@ -72,7 +72,7 @@
 void CallDumper::checkPreCall(const CallEvent &Call, CheckerContext &C) const {
   unsigned Indentation = 0;
   for (const LocationContext *LC = C.getLocationContext()->getParent();
-       LC != 0; LC = LC->getParent())
+       LC != nullptr; LC = LC->getParent())
     ++Indentation;
 
   // It is mildly evil to print directly to llvm::outs() rather than emitting
@@ -89,7 +89,7 @@
 
   unsigned Indentation = 0;
   for (const LocationContext *LC = C.getLocationContext()->getParent();
-       LC != 0; LC = LC->getParent())
+       LC != nullptr; LC = LC->getParent())
     ++Indentation;
 
   // It is mildly evil to print directly to llvm::outs() rather than emitting