Update mailReader.php

One typo in the code, but otherwise works great :) I had your previous version working for a while, and noticed that the body was often not being saved, hopefully this clears up the problem. I'll post an issue if this persists and I can reproduce the problem. Cheers!
Merge pull request #1 from neokio/patch-1

Good catch neokio. Thank you. 

Update mailReader.php