[asan] force the __asan_unregister_globals to reside in the runtime library

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@147329 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/asan_rtl.cc b/lib/asan/asan_rtl.cc
index 50be6df..c876f6d 100644
--- a/lib/asan/asan_rtl.cc
+++ b/lib/asan/asan_rtl.cc
@@ -396,6 +396,7 @@
     __asan_report_store16(NULL);
     __asan_register_global(0, 0, NULL);
     __asan_register_globals(NULL, 0);
+    __asan_unregister_globals(NULL, 0);
   }
 }