[sanitizer] Delete extra whitespace.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@190292 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] Fix PR17138.

strerror_r on OSX returns a positive error code when the errno value is
unknown. Buffer contents are initialized in any case.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@190295 91177308-0d34-0410-b5e6-96231b3b80d8