Fix smtp url for manually entered smtp servers

This fixes one half of #6.

mutt-wizard.sh

@@ -91,7 +91,7 @@ removeAccount() { sed -ie "
 manual() { \
 	imap=$( dialog --inputbox "Insert the IMAP server for your email provider (excluding the port number)" 10 60 3>&1 1>&2 2>&3 3>&- )
 	iport=$(dialog --inputbox "What is your server's IMAP port number? (Usually 993)" 10 60 3>&1 1>&2 2>&3 3>&-)
-	smtpserver=$( dialog --inputbox "Insert the SMTP server for your email provider (excluding the port number)" 10 60 3>&1 1>&2 2>&3 3>&- )
+	smtp=$( dialog --inputbox "Insert the SMTP server for your email provider (excluding the port number)" 10 60 3>&1 1>&2 2>&3 3>&- )
 	sport=$( dialog --inputbox "What is your server's SMTP port number? (Usually 587 or 465)" 10 60 3>&1 1>&2 2>&3 3>&- ) ;}