Made spec file autogenerate, tweaked it also

Dr Mike <drmike@redhat.com>
diff --git a/Makefile.am b/Makefile.am
index 8d7495e..3d9ee08 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -57,9 +57,12 @@
 confexecdir=$(libdir)
 confexec_DATA = xmlConf.sh
 
-EXTRA_DIST = xmlConf.sh.in libxml.spec doc/xml.html doc/structure.gif \
+EXTRA_DIST = xmlConf.sh.in libxml.spec.in doc/xml.html doc/structure.gif \
              doc/DOM.gif
 
+dist-hook:
+	cp libxml.spec $(distdir)
+
 ## We create xmlConf.sh here and not from configure because we want
 ## to get the paths expanded correctly.  Macros like srcdir are given
 ## the value NONE in configure if the user doesn't specify them (this