Rework a few character arrays.

In order to avoid narrowing conversion errors, cast each value to char
explicitly. Note that the UTF-8 test already did it like this.

Fixes #21.

Change-Id: I88321547365dcafb806c70880522943fa0c88272
Reviewed-on: https://code-review.googlesource.com/2361
Reviewed-by: Paul Wankadia <junyer@google.com>
1 file changed