fixing #104096 to compile without regexps Daniel

* configure.in valid.c xmlreader.c python/libxml_wrap.h
  python/types.c: fixing #104096 to compile without regexps
Daniel
diff --git a/valid.c b/valid.c
index a462bdb..0f0fd23 100644
--- a/valid.c
+++ b/valid.c
@@ -5133,6 +5133,7 @@
     return(elemDecl);
 }
 
+#ifdef LIBXML_REGEXP_ENABLED
 /**
  * xmlValidatePushElement:
  * @ctxt:  the validation context
@@ -5342,6 +5343,7 @@
     }
     return(ret);
 }
+#endif /* LIBXML_REGEXP_ENABLED */
 
 /**
  * xmlValidateOneElement: