Include C++ standard headers

When compiling in C++ mode, the C++ standard library headers should be
included instead of their C counterparts.

Drive-by:
- Removed include of `json/json.h` from `settings.cpp`, where it was not
  used

1 files changed, 1 insertions, 1 deletions

diff --git a/binaryninjaapi.h b/binaryninjaapi.h
index 2809ee7b..0488803e 100644
--- a/binaryninjaapi.h
+++ b/binaryninjaapi.h
@@ -25,7 +25,7 @@
 #endif
 	#include <windows.h>
 #endif
-#include <stddef.h>
+#include <cstddef>
 #include <string>
 #include <vector>
 #include <map>