Missing xshmfence dependency for X11 WSI on macOS

../../src/vulkan/wsi/wsi_common_x11.c:25:10: fatal error: 'X11/xshmfence.h' file not found
   25 | #include <X11/xshmfence.h>

If I add this code to if with_platform_x11 in meson.build:2079

if with_any_vk
   dep_xshmfence = dependency('xshmfence', version : '>= 1.1')
endif

if fixes the issue.