improve previous commit

tests/scripts/test037-manage

@@ -55,10 +55,11 @@ if test $RC != 0 ; then
 fi
 
 # ITS#3898: #ifndef LDAP_DEVEL, the control is not available
-case `$LDAPSEARCH -s base -b "" -h $LOCALHOST -p $PORT1 -A \
-	'(supportedControl:objectIdentifierMatch:=1.3.6.1.4.1.4203.666.5.12)' \
-	supportedControl | grep supportedControl` in
-"supportedControl:")
+MANAGEDITOID="1.3.6.1.4.1.4203.666.5.12"
+case `$LDAPSEARCH -s base -b "" -h $LOCALHOST -p $PORT1 \
+	'(supportedControl:objectIdentifierMatch:='${MANAGEDITOID}')' \
+	supportedControl | grep "supportedControl: ${MANAGEDITOID}"` in
+"supportedControl: ${MANAGEDITOID}")
 	;;
 *)
 	echo "The \"manageDIT\" control appears to be unsupported; test disabled"