More explicit keywords.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40589 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/Interpreter.h b/lib/ExecutionEngine/Interpreter/Interpreter.h
index 3238850..9ad837c 100644
--- a/lib/ExecutionEngine/Interpreter/Interpreter.h
+++ b/lib/ExecutionEngine/Interpreter/Interpreter.h
@@ -94,7 +94,7 @@
   std::vector<Function*> AtExitHandlers;
 
 public:
-  Interpreter(Module *M);
+  explicit Interpreter(Module *M);
   ~Interpreter();
 
   /// runAtExitHandlers - Run any functions registered by the program's calls to