1) Implicit declaration of function.
2) Possibly unitialized variables.
These warnings have indicated some real problems in the code, so many changes
are not just to silence the warnings, but to fix the problems. Others were
inocuous, but the warnings were silenced to reduce the noise.
git-svn-id: svn://10.0.0.236/trunk@109938 18797224-902f-48f8-a5cc-f745e15eee43
