Add (size_t) casts to MALLOCX_ALIGN() macros so that passing the integer constant 0x80000000 does not cause a compiler warning about invalid shift amount. This resolves #354.
Add (size_t) casts to MALLOCX_ALIGN() macros so that passing the integer constant 0x80000000 does not cause a compiler warning about invalid shift amount. This resolves #354.