IOS-1480 Make NSNumber+PEPRating publishable.

pEpObjCAdapter/NSNumber+PEPRating.h

@@ -11,8 +11,6 @@
 #import <PEPObjCAdapterFramework/PEPTypes.h>
 #import <PEPObjCAdapterFramework/PEPEngineTypes.h>
 
-#import "message_api.h"
-
 /**
  Extension for wrapping the engine's PEP_rating inside a NSNumber.
  */

pEpObjCAdapter/NSNumber+PEPRating.m

@@ -8,6 +8,8 @@
 
 #import "NSNumber+PEPRating.h"
 
+#import "message_api.h"
+
 @implementation NSNumber (Extension)
 
 - initWithPEPRating:(PEPRating)pEpRating