Applied a patch from Kevin P. Fleming to add --libtool-libs option to

* configure.in xml2-config.in: Applied a patch from Kevin P. Fleming
  to add --libtool-libs option to xml2-config script.
Daniel
diff --git a/xml2-config.in b/xml2-config.in
index 7282186..b44d19a 100644
--- a/xml2-config.in
+++ b/xml2-config.in
@@ -14,6 +14,7 @@
 
   --prefix=DIR		change libxml prefix [default $prefix]
   --libs		print library linking information
+  --libtool-libs        print linking information for use with libtool
   --cflags		print pre-processor and compiler flags
   --help		display this help and exit
   --version		output version information
@@ -59,6 +60,10 @@
        	echo @XML_INCLUDEDIR@ @XML_CFLAGS@
        	;;
 
+    --libtool-libs)
+	echo ${libdir}/@XML_LIBTOOLLIBS@
+        ;;
+
     --libs)
         if [ "`uname`" = "Linux" ]
 	then