gio: compile GUnixSocketAddress on all platforms

Move the header under the common GIO include directory.

Sorry if it breaks any build, you had to use the correct header path.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

docs/reference/gio/meson.build

@@ -115,7 +115,6 @@ if get_option('gtk_doc')
       'gunixfdmessage.h',
       'gunixinputstream.h',
       'gunixoutputstream.h',
-      'gunixsocketaddress.h',
       'gdesktopappinfo.h',
       'gosxappinfo.h',
     ]