File libmetrics-link.patch of Package vhostmd

link libmetrics with libxml

libmetrics uses libxml, so link with it.

Index: vhostmd-1.0/libmetrics/Makefile.am
===================================================================
--- vhostmd-1.0.orig/libmetrics/Makefile.am
+++ vhostmd-1.0/libmetrics/Makefile.am
@@ -33,3 +33,4 @@ libserialclient_la_SOURCES =  \
 libserialclient_la_DEPENDENCIES = \
      libserialclient.h
 
+libmetrics_la_LIBADD = $(LIBXML_LIBS)