applied a couple of patches from Brian D Ripley. removed the last exit()

* nanoftp.c: applied a couple of patches from Brian D Ripley.
* parserInternals.c: removed the last exit() call. Print an
  unmaskable error on stderr instead (library mismatch detection)
Daniel
diff --git a/parserInternals.c b/parserInternals.c
index 9832a52..4c097d9 100644
--- a/parserInternals.c
+++ b/parserInternals.c
@@ -81,7 +81,9 @@
 	xmlGenericError(xmlGenericErrorContext, 
 		"Fatal: program compiled against libxml %d using libxml %d\n",
 		(version / 10000), (myversion / 10000));
-	exit(1);
+	fprintf(stderr, 
+		"Fatal: program compiled against libxml %d using libxml %d\n",
+		(version / 10000), (myversion / 10000));
     }
     if ((myversion / 100) < (version / 100)) {
 	xmlGenericError(xmlGenericErrorContext,