Fix spacing with declaration in PFObject.m, use __kindof in PFUser.m

Author: richardjrossiii

Parse/PFObject.m

@@ -2277,7 +2277,7 @@ + (void)saveAllInBackground:(NSArray *)objects block:(PFBooleanResultBlock)block
         NSArray *uniqueObjects = [PFObjectBatchController uniqueObjectsArrayFromArray:deleteObjects usingFilter:^BOOL(PFObject *object) {
             return (object.objectId != nil);
         }];
-        NSMutableArray<BFTask <PFVoid> *> *validationTasks = [NSMutableArray array];
+        NSMutableArray<BFTask<PFVoid> *> *validationTasks = [NSMutableArray array];
         for (PFObject *object in uniqueObjects) {
             [validationTasks addObject:[object _validateDeleteAsync]];
         }

Parse/PFUser.m

@@ -821,7 +821,7 @@ + (void)registerAuthenticationDelegate:(id<PFUserAuthenticationDelegate>)delegat
 
 #pragma mark Log In
 
-+ (BFTask<PFUser *> *)logInWithAuthTypeInBackground:(NSString *)authType
++ (BFTask<__kindof PFUser *> *)logInWithAuthTypeInBackground:(NSString *)authType
                                            authData:(NSDictionary<NSString *, NSString *> *)authData {
     PFParameterAssert(authType, @"Can't log in without `authType`.");
     PFParameterAssert(authData, @"Can't log in without `authData`.");