Clean up the use of static and anonymous namespaces. This turned up
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
diff --git a/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp b/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp
index 5d7f901..4234bd9 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/Interpreter.cpp
@@ -21,10 +21,14 @@
 #include <cstring>
 using namespace llvm;
 
+namespace {
+
 static struct RegisterInterp {
   RegisterInterp() { Interpreter::Register(); }
 } InterpRegistrator;
 
+}
+
 namespace llvm {
   void LinkInInterpreter() {
   }