don't stream if we're making a hardcopy

Ignore-this: a9e258fa2c0e80219170f5e11970bc75

darcs-hash:20090902192745-0cb85-5962b13536b4f78da9080c2084b1715a6db86ab8.gz

driveGnuPlots.pl

@@ -57,8 +57,7 @@ if( defined $options{"help"} )
 }
 if( defined $options{"hardcopy"} && $options{"stream"} )
 {
-  usage();
-  die("If making a hardcopy, we shouldn't be streaming. Doing nothing\n");
+  $options{"stream"} = undef;
 }
 if( !defined $options{"xlen"} )
 {