Log Message:
-----------
Fixed bug in dbi_link.grant_user_role. String concatenation is important here.
Modified Files:
--------------
dbi-link:
dbi_link.sql (r1.16 -> r1.17)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/dbi-link/dbi-link/dbi_link.sql.diff?r1=1.16&r2=1.17)