Fix quoting in help messages in uuid-ossp extension scripts.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: 72dcdc6f7874d6ba4a51cc283b971296cb36ba2b
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2013-11-22T17:08:10Z
Releases: 9.3.2
Fix quoting in help messages in uuid-ossp extension scripts.

The command we're telling people to type needs to include double-quoting
around the unfortunately-chosen extension name.  Twiddle the textual
quoting so that it looks somewhat sane.  Per gripe from roadrunner6.

Files