fix spurious duplicates in procedure-callees and callers
authorAndy Wingo <wingo@pobox.com>
Sun, 29 Mar 2009 04:57:26 +0000 (21:57 -0700)
committerAndy Wingo <wingo@pobox.com>
Sun, 29 Mar 2009 04:57:47 +0000 (21:57 -0700)
commit154a6116699b5be1bc7b4968e497c8542fca7076
treef74a708635b9ce60e92537f5a9c3f6691412cdda
parent0fe95f9c4ce063781e79a15bc123c57c33ef9755
fix spurious duplicates in procedure-callees and callers

* module/system/xref.scm (program-callee-rev-vars): It's possible to get
  duplicates when combining callees of inner procedures, so ignore dups.
  Quadratic, boo.
module/system/xref.scm