xwayland: add simple xcb-cursor hook based on libXcursor

It's in fact based on the core of libXcursor, which doesn't bring any Xlib
dependency.

Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
diff --git a/configure.ac b/configure.ac
index 6945652..6c27cd4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,7 +42,7 @@
 	      enable_xwayland=yes)
 AM_CONDITIONAL(ENABLE_XWAYLAND, test x$enable_xwayland = xyes)
 if test x$enable_xwayland = xyes; then
-  PKG_CHECK_MODULES([XWAYLAND], xcb xcb-xfixes cairo-xcb)
+  PKG_CHECK_MODULES([XWAYLAND], xcb xcb-xfixes xcursor cairo-xcb)
   AC_DEFINE([BUILD_XWAYLAND], [1], [Build the X server launcher])
 
   AC_ARG_WITH(xserver-path, AS_HELP_STRING([--with-xserver-path=PATH],