contrib: libxml2: don't build binaries

contrib/src/libxml2/bins.patch

+--- libxml2/Makefile.am.orig	2013-08-20 13:57:37.911178174 +0200
++++ libxml2/Makefile.am	2013-08-20 13:57:44.543177895 +0200
+@@ -2,7 +2,7 @@
+ 
+ ACLOCAL_AMFLAGS = -I m4
+ 
+-SUBDIRS = include . doc example xstc $(PYTHON_SUBDIR)
++SUBDIRS = include . xstc $(PYTHON_SUBDIR)
+ 
+ DIST_SUBDIRS = include . doc example python xstc
+ 
+@@ -15,7 +15,7 @@
+ #                 testReader testapi testModule runtest runsuite testchar \
+ # 		testdict runxmlconf testrecurse testlimits
+ 
+-bin_PROGRAMS = xmllint xmlcatalog
++bin_PROGRAMS =
+ 
+ bin_SCRIPTS=xml2-config
+ 

contrib/src/libxml2/rules.mak

@@ -19,6 +19,7 @@ libxml2: libxml2-$(LIBXML2_VERSION).tar.gz .sum-libxml2
 	$(UNPACK)
 	$(APPLY) $(SRC)/libxml2/no-tests.patch
 	$(APPLY) $(SRC)/libxml2/win32.patch
+	$(APPLY) $(SRC)/libxml2/bins.patch
 	$(APPLY) $(SRC)/libxml2/pthread.patch
 	$(MOVE)