build: make configure print statements consistent

I noticed that few of the print statements in configure have a leading
space with is not consistent with the rest of the file. Not sure if
this intentional or not so creating this commit just to bring it up
just in case.

PR-URL: https://github.com/nodejs/node/pull/12176



Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: mhdawson - Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>