Fix bug in echo that caused error on exit

Do you want to email this .ovpn file now (y/n)n
/usr/lib/openvpn-server/ovs-commands/build-generic-client: line 93: syntax error near unexpected token `echo'

functions.sh

@@ -37,7 +37,7 @@ function allocate_ip {
     	export $OVPN_ORGNICK
     	/usr/lib/openvpn-server/ovs-commands/make-static-ip $OVPN_COMMONNAME
 	else
-    	echo -n
+    	echo -n ""
 	fi
 }
 

scripts/build-debian-client

@@ -71,3 +71,5 @@ fi
 rm -rf $WORKDIR
 
 allocate_ip()
+
+echo "Your OpenVPN config file is ${OVPNFILE}"

scripts/build-generic-client

@@ -85,9 +85,9 @@ if [ "$EMAIL" = "y" ]; then
 #EOM
 uuencode $OVPNFILE $OVPNFILE | bsd-mailx -s "OpenVPN Client $OVPN_COMMONNAME" $EMAILADDRESS
 else
-    echo -n
+    echo -n ""
 fi
 
 allocate_ip()
 
-echo "Your OpenVPN config file is $OVPNFILE"
+echo "Your OpenVPN config file is ${OVPNFILE}"

scripts/build-windows-client

@@ -60,4 +60,6 @@ rm -rf $WORKDIR
 
 allocate_ip()
 
+echo "Your OpenVPN config file is ${OVPNFILE}"
+