Pass emitter to inspect by reference

Author: mgreter

src/inspect.cpp

@@ -15,7 +15,7 @@
 
 namespace Sass {
 
-  Inspect::Inspect(Emitter emi)
+  Inspect::Inspect(const Emitter& emi)
   : Emitter(emi)
   { }
   Inspect::~Inspect() { }

src/inspect.hpp

@@ -17,7 +17,7 @@ namespace Sass {
 
   public:
 
-    Inspect(Emitter emi);
+    Inspect(const Emitter& emi);
     virtual ~Inspect();
 
     // statements