[sancov] Move __sancov_default_options declaration outside the namespace __sancov
[sancov] Move __sancov_default_options declaration outside the namespace __sancov

After this commint, we can include sancov_flags.h and refer to
__sancov_default_options without requiring the namespace prefix.

Differential Revision: https://reviews.llvm.org/D29167

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@293731 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt