Missing error icon in ON 4.2.1

This is a fix for the missing error icon bug, explained in

[Android OS bug with some devices running Jelly Bean/4.2.1 - TextView.setError(CharSequence error) Missing icon](http://stackoverflow.com/q/13756978/832776)

Please note that this is fix is copied from Oleg Vaskevich and I claim no credit or responsibility.
Merge pull request #7 from renclav/patch-1

Missing error icon in ON 4.2.1