Fixed compilation error when MEMSET_FREED is turned on

Currently MEMSET_FREED is off so no compilation error. But
in case this is on, we need to fix the compilation error.

Test: build
bug: 37347693
Change-Id: I5d95a58f39ee5ff12dabbad457747d3468d70f28
1 file changed
tree: 0c3dcacfd43ca0b9f9a320b0144675638048c272
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk