Serial output data will be stuck

[coloz]

Run the example Gyro,serial output data will be stuck.
Time is uncertain, but after a while will be stuck

[SidLeung]

Please specify if you were using a pre-release version of the Corelibs that you take from a Pull Request here.

[coloz]

version 2.0.2
example CurieIMU>Gryo
I tried to replace the usb cable, replace other 101 board, replace the PC\Mac, the problem still exists

[eriknyquist]

Try this fix
#540