* ltmain.sh: update from libtool-1.5.18.
* ltmain.sh: update from libtool-1.5.18.

cysp/libzip,projedi/libzip,projedi/libzip,det/libzip,cysp/libzip,JanX2/libzip-git,cysp/libzip,det/libzip,det/libzip,cysp/libzip,projedi/libzip,det/libzip,JanX2/libzip-git,projedi/libzip