libupnp : bump version to 1.6.19

Signed-off-by: Sagaert Johan <sagaert.johan@skynet.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libupnp/libupnp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-LIBUPNP_VERSION = 1.6.18
+LIBUPNP_VERSION = 1.6.19
 LIBUPNP_SOURCE = libupnp-$(LIBUPNP_VERSION).tar.bz2
 LIBUPNP_SITE = http://downloads.sourceforge.net/project/pupnp/pupnp/libUPnP%20$(LIBUPNP_VERSION)
 LIBUPNP_CONF_ENV = ac_cv_lib_compat_ftime=no