fix(TextInput): Fixes platform check (#453)
fix(TextInput): Fixes platform check (#453)

Typo in platform check was causing an exception in the minified bundle. This fixes that.

Fixes #440
lbochenek/react-native-windows,lbochenek/react-native-windows,lbochenek/react-native-windows,lbochenek/react-native-windows