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/mapi/es2api/meson.build

@@ -37,12 +37,12 @@ libgles2 = shared_library(
   ['../entry.c', es2_glapi_mapi_tmp_h],
   c_args : [
     c_msvc_compat_args,
-    c_vis_args,
     _es2_c_args,
     '-DMAPI_MODE_BRIDGE',
     '-DMAPI_ABI_HEADER="@0@"'.format(es2_glapi_mapi_tmp_h.full_path()),
     gcc_lto_quirk,
   ],
+  gnu_symbol_visibility : 'hidden',
   link_args : [ld_args_gc_sections],
   include_directories : [inc_src, inc_include, inc_mapi],
   link_with : libglapi,