INDEX build failed for 4.x

[Kris Kennaway]

INDEX build failed with errors:
Generating INDEX - please wait.. Done.
Warning: Duplicate INDEX entry: sylpheed-2.2.0

Committers on the hook:
anray dds gerald jeh kris leeym maho marcus nork oliver thierry 

Most recent CVS update was:
U devel/p5-File-Remove/Makefile
U devel/p5-File-Remove/distinfo
U devel/portlint/Makefile
U devel/portlint/src/portlint.pl
U mail/sylpheed2-devel/Makefile
U math/atlas/Makefile
U math/atlas/pkg-plist
U math/atlas/files/timing_tolerance-patch
U net/p5-Net-CIDR-Lite/Makefile
U net/p5-Net-CIDR-Lite/distinfo