the ECHO macro is set to "echo" by default, but it is set to "true" if
make(1) is invoked with the -s option while ECHO_CMD is always set to
the echo command.
Change whitespace a little, now that I'm out of denial.
Generate PLIST.
PR: 23667 (man page)
Submitted by: David W. Chapman Jr. <dwcjr@inethouston.net>
