Bug 16170 - Corrected to make work more smoothly

Signed-off-by: Mark Tompsett <mtompset@hotmail.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 503cc30d9a)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>

installer/data/mysql/atomicupdate/16170_dbrev.perl

@@ -1,3 +1,7 @@
+#!/usr/bin/perl
+
+use C4::Context;
+
 my $dbh = C4::Context->dbh;
 my $DBversion = "XXX";