depcomp: cosmetic fixlets to a comment * lib/depcomp (pgcc): Here, as that's unportable according to the autoconf manual. In fact, there's no need to re-trap the signals just before exiting, since at that point a signal would cause at most a useless but harmless attempt to remove the Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>