Fix invalid shift of 32-bit value.

For 32-bit builds (still common for apps), long is only 32-bits, and
this is a 32-bit shift. A future version of Clang treats this as an
error.

Test: treehugger
Change-Id: Ie2301c21afe48cbae63e4aca0f3a722ca7115dcc
1 file changed