Log Message:
editline: Update to 20210419-3.1. PR pkg/56151

While here, clean up options handling.

   * See also NetBSD changelog:
	http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libedit

2021-04-19 Jess Thrysoee

   * version-info: 0:65:0

   * all: sync with upstream source

   * src/getline.c,src/sys.h: Provide getline.c implementation if not available
	Patch by Claes Nästén

   * src/makelist: Use Posix locale; mainly to get ASCII character classes in \ 
e.g. `tr`
	Patch by Claes Nästén

  * examples/test_filecompletion.c, examples/wtc1.c: err.h not supported by
  Solaris

2021-02-16 Jess Thrysoee

   * version-info: 0:64:0

   * all: sync with upstream source