Add vm_size_t

src/unix/bsd/mod.rs

@@ -6,6 +6,7 @@ pub type socklen_t = u32;
 pub type sa_family_t = u8;
 pub type pthread_t = ::uintptr_t;
 pub type nfds_t = ::c_uint;
+pub type vm_size_t = ::uintptr_t;
 
 s! {
     pub struct sockaddr {