Fix for #1284

Signed-off-by: Philippe Weidmann <philippe.weidmann@infomaniak.com>

iOSClient/Main/CCMain.m

@@ -1425,7 +1425,7 @@
         
         UITextField *fileName = alertController.textFields.firstObject;
         
-        [[NCNetworking shared] createFolderWithFileName:fileName.text serverUrl:serverUrl account:appDelegate.activeAccount url:appDelegate.activeUrl overwrite:false completion:^(NSInteger errorCode, NSString *errorDescription) { }];
+        [[NCNetworking shared] createFolderWithFileName:[fileName.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] serverUrl:serverUrl account:appDelegate.activeAccount url:appDelegate.activeUrl overwrite:false completion:^(NSInteger errorCode, NSString *errorDescription) { }];
     }];
     
     okAction.enabled = NO;