logcat: do not assign 0 or NULL to global variables

Bug: 27706081
Change-Id: If29d8d688ca7cce9b22227eeff1e9b500e728a50
1 file changed
tree: 9c34e87c1859504ca3ff2378e5b64ce788d3b802
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/