Fix improper declaration/use of pointer.

https://code.google.com/p/android/issues/detail?id=61547

This variable is shadowing the outer "ptr" declaration, resulting in a
potential NULL pointer being passed to the message API.

Previous CL in fw/base/rs: Change-Id: If96bfae8d5e874e12597182678a180ba137b78da

Change-Id: I46ec4eceb197f0e78769c764edb9884d1488da11
1 file changed