Build: C++ headers: Replace PR #366 with a more directed version.
diff --git a/SPIRV/SpvBuilder.cpp b/SPIRV/SpvBuilder.cpp
index 1411d16..f2af3b5 100644
--- a/SPIRV/SpvBuilder.cpp
+++ b/SPIRV/SpvBuilder.cpp
@@ -38,8 +38,8 @@
 // SpvBuilder.h.
 //
 
-#include <assert.h>
-#include <stdlib.h>
+#include <cassert>
+#include <cstdlib>
 
 #include <unordered_set>
 #include <algorithm>