Fix MSVC build

\e is not recognized by MSVC.
See http://msdn.microsoft.com/en-us/library/6aw8xdf2.aspx

Change-Id: I2c36d9e9a613a24895dd33e37a82c0ce3d846f3d
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>