K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2017-04-23T21:51:29.315528Z
K 7
svn:log
V 230
regex: unsign and constify some variables.

Taking some hints from the regex variant in nvi(1) and higher-level
compiler warnings, update some types in our regex(3) implementation.

Joint work with:	Kyle Evans
MFC after:		2 weeks

END