libgpg-error-1.49
build: let autogen.sh set a git PATCH prefix
build: Update libtool from version 2.4.7.
build: Update config.guess, config.sub, and config.rpath.
Generate the ChangeLog from commit logs.
Move helper scripts to build-aux.
build: Update libtool-patch.sed.
build: Fix libtool modification.
Convert http links to https where possible in the source.