exclude 3rdparty folder within files_external and files_encryption from code coverage

tests/phpunit-autotest.xml

@@ -13,8 +13,10 @@
 				<directory suffix=".php">../3rdparty</directory>
 				<directory suffix=".php">../apps/files/l10n</directory>
 				<directory suffix=".php">../apps/files_external/l10n</directory>
+				<directory suffix=".php">../apps/files_external/3rdparty</directory>
 				<directory suffix=".php">../apps/files_versions/l10n</directory>
 				<directory suffix=".php">../apps/files_encryption/l10n</directory>
+				<directory suffix=".php">../apps/files_encryption/3rdparty</directory>
 				<directory suffix=".php">../apps/files_sharing/l10n</directory>
 				<directory suffix=".php">../apps/files_trashbin/l10n</directory>
 				<directory suffix=".php">../apps/user_ldap/l10n</directory>