The library still uses malloc, realloc, and free instead of M3D_MALLOC, M3D_REALLOC, and M3D_FREE.

I'm using custom allocation functions for the library, but in some parts, it keeps using malloc, realloc and free. In my case it causes crashes because I am using odin lang allocators.

• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L6340
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L4919
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L4310
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L4598
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L4603
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L4606
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L5224
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L6315
• https://gitlab.com/bztsrc/model3d/-/blob/master/m3d.h#L4522