Fix macro to not remove paths that are prefixes of others.
Fix macro to not remove paths that are prefixes of others.

darcs-hash:20060120213717-91c87-757abb97cd0a67daa8f718e154ceb5f582445b7d.gz

thiagoarrais/gtk2hs,thiagoarrais/gtk2hs,thiagoarrais/gtk2hs