[NFC][lsan] Make mutex static

diff --git a/compiler-rt/lib/lsan/lsan_common.cpp b/compiler-rt/lib/lsan/lsan_common.cpp
index 21430e3..74cd499 100644 (file)
--- a/compiler-rt/lib/lsan/lsan_common.cpp
+++ b/compiler-rt/lib/lsan/lsan_common.cpp
@@ -42,7 +42,7 @@ namespace __lsan {
 
 // This mutex is used to prevent races between DoLeakCheck and IgnoreObject, and
 // also to protect the global list of root regions.
-Mutex global_mutex;
+static Mutex global_mutex;
 
 Flags lsan_flags;