Fix crash on mutt error

lib/text.js

@@ -73,7 +73,7 @@ function sendText(phone, message, carrier, region, cb) {
     output(decoder.write(data));
   });
   child.on('error', function(data) {
-    output('mutt failed', {email: email, data: decoder.write(data)});
+    output('mutt failed', {email: emails, data: decoder.write(data)});
     cb(false);
   });
   child.on('exit', function(code, signal) {