Spelling fixes e to i.

runtime/vm/native_arguments.h

Index: runtime/vm/native_arguments.h
diff --git a/runtime/vm/native_arguments.h b/runtime/vm/native_arguments.h
index 856c0437f582b01ef69d1b677492c27d9210d407..43aa0967b637dd19a70f1128d61c4d930ef49c86 100644
--- a/runtime/vm/native_arguments.h
+++ b/runtime/vm/native_arguments.h
@@ -158,7 +158,7 @@ class NativeArguments {
       // The closure object is hidden and not accessible from native code.
       // However, if the function is an instance closure function, the captured
       // receiver located in the context is made accessible in native code at
-      // index 0, thereby hidding the closure object at index 0.
+      // index 0, thereby hiding the closure object at index 0.
       count--;
     }
     return count;