Also strip the "runtime" part of the Interpreter exception here.

interpreter/cling/include/cling/UserInterface/CompilationException.h

@@ -27,7 +27,7 @@ namespace cling {
   /// Note that this exception is *not* thrown during the execution of the
   /// user's code but during its compilation (at runtime).
   class CompilationException:
-    public virtual runtime::InterpreterException,
+    public virtual InterpreterException,
     public virtual std::runtime_error {
   public:
     CompilationException(const std::string& reason):

interpreter/cling/lib/UserInterface/UserInterface.cpp

@@ -149,10 +149,10 @@ namespace cling {
         TI.SetPrompt(Prompt.c_str());
 
       }
-      catch(runtime::NullDerefException& e) {
+      catch(NullDerefException& e) {
         e.diagnose();
       }
-      catch(runtime::InterpreterException& e) {
+      catch(InterpreterException& e) {
         llvm::errs() << ">>> Caught an interpreter exception!\n"
                      << ">>> " << e.what() << '\n';
       }