[msan] pthread_join() returns int, not void*

pthread_join() returns an error code, not the result of the
pthread_create() function like I thought.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@176554 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed