Bug 519347 - NJ merge: pick up a couple tiny allocator cleanups, r=dvander.

js/src/nanojit/Allocator.cpp

@@ -59,7 +59,7 @@ namespace nanojit
         Chunk *c = current_chunk;
         while (c) {
             Chunk *prev = c->prev;
-            this->freeChunk(c);
+            freeChunk(c);
             c = prev;
         }
         current_chunk = NULL;

js/src/nanojit/Allocator.h

@@ -53,7 +53,7 @@ namespace nanojit
     class Allocator {
     public:
         Allocator();
-        virtual ~Allocator();
+        ~Allocator();
         void reset();
 
         /** alloc memory, never return null. */