Ticket 528 - RFE - get rid of instance specific scripts

Description:
Fixing a minor bug: line 58: [: ==: unary operator expected
Initializing a variable display_version with "no".

ldap/admin/src/scripts/dbverify.in

@@ -25,6 +25,7 @@ usage()
     echo "        -h             - Display usage"
 }
 
+display_version="no"
 while getopts "Z:n:hVvfd:n:D:" flag
 do
     case $flag in