softpipe: correct signature of get_compiler_options
This gets rid of a harmless but annoying compiler warning on MSVC.
Fixes: 73bafb5e ("gallium: s/unsigned/enum pipe_shader_type/ for get_compiler_options()")
This gets rid of a harmless but annoying compiler warning on MSVC.
Fixes: 73bafb5e ("gallium: s/unsigned/enum pipe_shader_type/ for get_compiler_options()")