master
maint: update copyright year number ranges
maint: ensure .deps/ in the project root is ignored by git
Make the LDADD changes suggested by the gnulib importer.
maint: convert tabs to spaces in source files.
doc: avoid man-lint errors due to deprecated .HP macro
maint: re-indent C source code.
locatedb.5: fix unescaped hyphens
updatedb: prefer runuser(1) over su(1)