Fix whitespace issues

apps/files/index.php

apps/files_encryption/lib/session.php

apps/files_encryption/lib/stream.php

apps/files_external/lib/amazons3.php

apps/files_external/lib/swift.php

apps/files_sharing/lib/cache.php

apps/files_sharing/tests/api.php

apps/user_ldap/group_ldap.php

apps/user_ldap/group_proxy.php

apps/user_ldap/lib/access.php

apps/user_ldap/lib/connection.php

apps/user_ldap/lib/jobs.php

apps/user_ldap/lib/wizard.php

apps/user_ldap/settings.php

apps/user_ldap/user_ldap.php

apps/user_ldap/user_proxy.php