compiler/rust: Force native build for the compiler_proc library

This should fix the 32-bit build of NVK (with NAK included)

Fixes: ab72be6c5e ("nak,compiler: Move AsSlice to common code")
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30561>

src/compiler/rust/meson.build

@@ -108,6 +108,7 @@ _libcompiler_proc_rs = static_library(
   gnu_symbol_visibility : 'hidden',
   dependencies : [dep_syn],
   rust_abi : 'rust',
+  native : true,
 )
 
 idep_compiler_proc_rs = declare_dependency(