un-gate Xtrans.h

The X Network Transport layer has been shipped with X11 for some time now.
We no longer need to support configurations without this feature.

Reported-by: Jaimos Skriletz <jaimosskriletz@gmail.com>
Signed-off-by: Matt Jolly <kangie@gentoo.org>

dev-docs/INSTALL.md

@@ -32,6 +32,7 @@ system in use.
 * libxrandr-dev (>= 1.5)
 * libxrender-dev
 * libxt-dev
+* xtrans-dev
 
 ## Optional dependencies
 

libs/fsm.c

@@ -33,11 +33,8 @@
 #include <X11/Xutil.h>
 #include <X11/Xproto.h>
 #include <X11/Xatom.h>
-#if defined(HAVE_X11_XTRANS_XTRANS_H) && defined(HAVE__ICETRANSNOLISTEN)
 #include <X11/Xtrans/Xtrans.h>
-#elif defined(HAVE__ICETRANSNOLISTEN)
-extern void _IceTransNoListen(char *protocol);
-#endif
+
 
 #include "fvwmlib.h"
 #include "log.h"