Checkstyle fixes: NoSpaceAfterComma

apps/files/ajax/autocomplete.php

apps/files/ajax/upload.php

apps/files/appinfo/filesync.php

apps/files/appinfo/remote.php

apps/files/appinfo/update.php

apps/files/index.php

apps/files/templates/admin.php

apps/files/templates/index.php

apps/files/templates/part.breadcrumb.php

apps/files/templates/part.list.php

apps/files_encryption/appinfo/app.php

apps/files_encryption/lib/crypt.php

apps/files_encryption/lib/cryptstream.php

apps/files_encryption/lib/proxy.php

apps/files_encryption/settings.php

apps/files_encryption/tests/encryption.php

apps/files_encryption/tests/proxy.php

apps/files_encryption/tests/stream.php

apps/files_external/lib/ftp.php

apps/files_external/lib/google.php