f720122b3a
synctex_parser.h and synctex_parser_utils.h are public headers that both include synctex_version.h, but the latter isn't installed by the autotools glue. Reported by ajacoutot@, ok kili@ edd@ (maintainer) While here, the libsynctex API/ABI has changed between tl2017 and tl2018, so bump the major (also bump the minor for libptexenc). ok edd@ (maintainer)