[Author: thomasvl]
[Author: thomasvl]

Add a cast to fix compiler warnings in release builds.

TBR=dmaclach
DELTA=1  (0 added, 0 deleted, 1 changed)
qokelate/google-toolbox-for-mac,qokelate/google-toolbox-for-mac,qokelate/google-toolbox-for-mac