Fix Clang-tidy modernize-use-nullptr warnings in examples and include directories; other minor cleanups.

Patch by Eugene Zelenko!

Differential Revision: http://reviews.llvm.org/D13172

llvm-svn: 248811

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/examples/Kaleidoscope/Chapter2/toy.cpp b/llvm/examples/Kaleidoscope/Chapter2/toy.cpp
index 14cba32f5f9..bcba554b246 100644
--- a/llvm/examples/Kaleidoscope/Chapter2/toy.cpp
+++ b/llvm/examples/Kaleidoscope/Chapter2/toy.cpp
@@ -53,7 +53,7 @@ static int gettok() {
       LastChar = getchar();
     } while (isdigit(LastChar) || LastChar == '.');
 
-    NumVal = strtod(NumStr.c_str(), 0);
+    NumVal = strtod(NumStr.c_str(), nullptr);
     return tok_number;
   }