converted the C14N module too Daniel

* c14n.c include/libxml/xmlerror.h: converted the C14N module too
Daniel
diff --git a/include/libxml/xmlerror.h b/include/libxml/xmlerror.h
index f7ede83..8f03403 100644
--- a/include/libxml/xmlerror.h
+++ b/include/libxml/xmlerror.h
@@ -541,7 +541,11 @@
     XML_XPTR_UNKNOWN_SCHEME = 1900,
     XML_XPTR_CHILDSEQ_START, /* 1901 */
     XML_XPTR_EVAL_FAILED, /* 1902 */
-    XML_XPTR_EXTRA_OBJECTS /* 1903 */
+    XML_XPTR_EXTRA_OBJECTS, /* 1903 */
+    XML_C14N_CREATE_CTXT = 1950,
+    XML_C14N_REQUIRES_UTF8, /* 1951 */
+    XML_C14N_CREATE_STACK, /* 1952 */
+    XML_C14N_INVALID_NODE /* 1953 */
 } xmlParserErrors;
 
 /**