radv,ac,meson: Support 32-bit Windows
Various fixes to get RADV building on 32-bit windows.
Tested 32-bit DLL builds/loads, and 64-bit DLL still loads.
Fixes #5081 (closed)
Various fixes to get RADV building on 32-bit windows.
Tested 32-bit DLL builds/loads, and 64-bit DLL still loads.
Fixes #5081 (closed)