[libredwg] typedefs

[Till Heuschmann]

Can I create some typedefs for the basic types such as:

typedef int           LdInt32;

typedef unsigned int  LdUInt32;

typedef int64_t       LdInt64;

typedef u_int64_t     LdUInt64;

...

At the moment the types (32/64 bit) are heavily mixed and It's a pain to write "long unsigned int" all the time.

As one might expect the "Ld" stands for LibreDWG!!

I do not know if these typedefs can be automatically set by the build stage?