Don't use bare `noreturn` in log.h.

toybox has a #define noreturn that trips over this.

Also move `format` out of the way, just in case.

Bug: https://github.com/android-ndk/ndk/issues/271
Test: builds
Change-Id: Ib8811136b4b422ff74625509539a5464a3c9af18
1 file changed
tree: 3af2c72ec04f3f7584f94ded2317ab0a2cc1f299
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/