Allow C++ to include pstdalign.h and paligned_alloc.h
## [0.4.2-pre]
- Fix minor memory leak in flatcc compiler.
- Reduce collisions in builders vtable hash.
-- Fix missing `<mm_malloc.h>` for some GCC versions in `paligned_alloc.h` (#40)
+- Remove broken dependency on `<mm_malloc.h>` for some GCC versions in
+ `paligned_alloc.h` (#40)
+- Allow C++ files to include `pstdalign.h` and `paligned_alloc.h` (#39)
## [0.4.1]
- Test for `posix_memalign` on GCC platforms and fix fallback
