Minor fix: change emdash to regular hyphen.

Foundation/CPOperation.j

@@ -168,7 +168,7 @@ CPOperationQueuePriorityVeryHigh = 8;
     The JS function that should be run after the main method
     @return JS function
 */
-– (JSObject)completionFunction 
+- (JSObject)completionFunction 
 {
     return _completionFunction;
 }
@@ -290,4 +290,4 @@ CPOperationQueuePriorityVeryHigh = 8;
     }
 }
 
-@end
+@end