wl-x11: Include Ecore_X header

@bugfix: If we are going to be using ecore_x functions, we need to
include the Ecore_X header file

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/modules/wl_x11/e_mod_main.c

@@ -1,6 +1,7 @@
 #include "e.h"
 #include "e_comp_wl.h"
 #include <Ecore_Wayland.h>
+#include <Ecore_X.h>
 
 EAPI E_Module_Api e_modapi = { E_MODULE_API_VERSION, "Wl_X11" };