Comment out the use of the "warnings" module now that ftp.pm seems to

be clear of warnings. Uncomment it if this module is further modified.

The "warnings" module requires perl 5.006 or later. Previous perl
versions don't have it and die on missing modules.

tests/ftp.pm

@@ -22,7 +22,7 @@
 ###########################################################################
 
 use strict;
-use warnings;
+#use warnings; # requires perl 5.006 or later
 
 
 my $DEFAULT_TIMEOUT_START = 90; # default allowed time for a process to startup