externsion.h required bits from Xfuncproto.h and dixstruct.h, but
included neither; fix that.
It also had _XFUNCPROTOBEGIN and _XFUNCPROTOEND wrappers, which is a bit
pointless for a server-only library, as it's only needed for C++.
Signed-off-by: Daniel Stone <daniel@fooishbar.org>
Reviewed-by: Cyril Brulebois <kibi@debian.org>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Keith Packard <keithp@keithp.com>