[asan] make sure the AsanThread object is destroyed if pthread_exit is called

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@149940 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/asan_internal.h b/lib/asan/asan_internal.h
index 713f17c..041fa3d 100644
--- a/lib/asan/asan_internal.h
+++ b/lib/asan/asan_internal.h
@@ -129,7 +129,7 @@
 int AtomicInc(int *a);
 
 // Wrapper for TLS/TSD.
-void AsanTSDInit();
+void AsanTSDInit(void (*destructor)(void *tsd));
 void *AsanTSDGet();
 void AsanTSDSet(void *tsd);