Remove unused variable 'kAFStreamToStreamBufferSize'
Don't use NSUInteger as format argument, add explicit cast instead
Merge pull request #1764 from doo/ake-fix-warnings

Fix two warnings that show up recently
Check CFStringTransform() call for success before using result
Merge pull request #1866 from CFKevinRef/1.x

Check CFStringTransform() call for success before using result
Same fix as 6c7250e for 1.x branch

Wrapping OSStatus and NSCAssert with NS_BLOCK_ASSERTIONS macro to prevent unused variable
Merge pull request #1888 from indragiek/1.x

Same fix as 6c7250e for 1.x branch