Change the install permissions to be 755, not 655.
Rather than patching configure and Makefile, use automake & autoconf to
rebuild them.
Bump pkg revision to 4.
in the process. (More information on tech-pkg.)
Bump PKGREVISION and BUILDLINK_DEPENDS of all packages using libtool and
installing .la files.
Bump PKGREVISION (only) of all packages depending directly on the above
via a buildlink3 include.