fixed a error introduced in Makefile.am, daniel
diff --git a/Makefile.am b/Makefile.am
index 21c1d9f..84858bd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -444,7 +444,7 @@
 	     win32/libxml2/libxml2.dsp win32/libxml2/libxml2_so.dsp \
 	     win32/libxml2/libxml2_a.dsp win32/libxml2/xmllint.dsp \
 	     win32/libxml2/libxml2.def.src \
-	     vms/build_libxml.com vms/config.vms
+	     vms/build_libxml.com vms/config.vms \
 	     strio.c strio.h trio.c trio.h triop.h libxml.h
 
 pkgconfigdir = $(libdir)/pkgconfig