[epiphany] Revert "Don't link with X11"

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 17e50f7ad936d9847477d861120da0daf75559ac
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Mon Aug 25 09:52:40 2014 -0500

    Revert "Don't link with X11"
    
    This reverts commit 74149684d2207be221a71d3d70c1d3d59331046c.
    
    This is needed in ephy-main.c. I have no idea why I was able to compile
    without it when I wrote this commit. :/
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735171

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 32dec49..8955d6e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,6 +96,7 @@ PKG_CHECK_MODULES([DEPENDENCIES], [
                  gio-unix-2.0 >= $GLIB_REQUIRED
                  gtk+-3.0 >= $GTK_REQUIRED
                  gtk+-unix-print-3.0 >= $GTK_REQUIRED
+                 x11
                  libwnck-3.0
                  libxml-2.0 >= $LIBXML_REQUIRED
                  libxslt >= $LIBXSLT_REQUIRED