Ampersand goes with identifier.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163410 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/ThreadSafety.cpp

@@ -822,7 +822,7 @@ public:
 
   LockData* findLock(FactManager& FM, const SExpr& M) const {
     for (const_iterator I = begin(), E = end(); I != E; ++I) {
-      const SExpr& Exp = FM[*I].MutID;
+      const SExpr &Exp = FM[*I].MutID;
       if (Exp.matches(M))
         return &FM[*I].LDat;
     }
@@ -831,7 +831,7 @@ public:
 
   LockData* findLockUniv(FactManager& FM, const SExpr& M) const {
     for (const_iterator I = begin(), E = end(); I != E; ++I) {
-      const SExpr& Exp = FM[*I].MutID;
+      const SExpr &Exp = FM[*I].MutID;
       if (Exp.matches(M) || Exp.isUniversal())
         return &FM[*I].LDat;
     }