apply patch from Andrew Tosh to fix behaviour when '.' is used in a

* xmlregexp.c: apply patch from Andrew Tosh to fix behaviour
  when '.' is used in a posCharGroup
* test/schemas/poschargrp0_0.* result/schemas/poschargrp0_0_0*:
  added the test to the regression suite
Daniel

svn path=/trunk/; revision=3687
diff --git a/xmlregexp.c b/xmlregexp.c
index a3e16c5..52e484c 100644
--- a/xmlregexp.c
+++ b/xmlregexp.c
@@ -5052,7 +5052,7 @@
 static void
 xmlFAParsePosCharGroup(xmlRegParserCtxtPtr ctxt) {
     do {
-	if ((CUR == '\\') || (CUR == '.')) {
+	if (CUR == '\\') {
 	    xmlFAParseCharClassEsc(ctxt);
 	} else {
 	    xmlFAParseCharRange(ctxt);