[libwnck] build: wnckprop requires -lX11

[Diego Escalante Urrelo <diegoe src gnome org>]

commit 96438e32c5bdae9c069be687fab42de1ae96d0dd
Author: Diego Escalante Urrelo <descalante igalia com>
Date:   Sun Jan 9 01:35:52 2011 -0500

    build: wnckprop requires -lX11
    
    https://bugzilla.gnome.org/show_bug.cgi?id=639041

 libwnck/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libwnck/Makefile.am b/libwnck/Makefile.am
index 636bb9b..3d67450 100644
--- a/libwnck/Makefile.am
+++ b/libwnck/Makefile.am
@@ -98,7 +98,7 @@ test_selector_SOURCES = test-selector.c
 test_pager_SOURCES = test-pager.c
 test_urgent_SOURCES = test-urgent.c
 
-wnckprop_LDADD = $(LIBWNCK_LIBS) ./$(lib_LTLIBRARIES)
+wnckprop_LDADD = $(LIBWNCK_LIBS) $(XLIB_LIBS) ./$(lib_LTLIBRARIES)
 wnck_urgency_monitor_LDADD = $(LIBWNCK_LIBS) ./$(lib_LTLIBRARIES)
 test_wnck_LDADD = $(LIBWNCK_LIBS) ./$(lib_LTLIBRARIES)
 test_tasklist_LDADD = $(LIBWNCK_LIBS) ./$(lib_LTLIBRARIES)