meson: use gnu_symbol_visibility argument

This uses a meson builtin to handle -fvisibility=hidden. This is nice
because we don't need to track which languages are used, if C++ is
suddenly added meson just does the right thing.

Acked-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4740>

src/intel/dev/meson.build

@@ -31,7 +31,8 @@ libintel_dev = static_library(
   ['intel_dev'],
   files_libintel_dev,
   include_directories : [inc_include, inc_src, inc_intel],
-  c_args : [c_vis_args, no_override_init_args],
+  c_args : [no_override_init_args],
+  gnu_symbol_visibility : 'hidden',
 )
 
 if with_tests