Explicitly handle all profile mode variants in enable_profile_instrumentation

Summary: More clear this way.

Reviewed By: bobyangyf

Differential Revision: D38523440

fbshipit-source-id: 39d7384793114fd370f473a35e12b1fa87ec37c7

Author: stepancheg

starlark/src/eval/runtime/evaluator.rs

@@ -268,7 +268,7 @@ impl<'v, 'a> Evaluator<'v, 'a> {
             | ProfileMode::TimeFlame => {
                 self.heap_or_flame_profile = true;
             }
-            _ => {}
+            ProfileMode::Typecheck => {}
         }
     }