Add XSD location to .phpcs.xml

diff --git a/.phpcs.xml b/.phpcs.xml
index 52e8202fe279642a7decddde57d3f349c11ecd47..c721282fb692ddc880a55f2fa5203ad1f42ead3a 100644 (file)
--- a/.phpcs.xml
+++ b/.phpcs.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0"?>
-<ruleset>
+<ruleset
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:noNamespaceSchemaLocation="https://raw.githubusercontent.com/squizlabs/PHP_CodeSniffer/master/phpcs.xsd"
+>
        <file>files/</file>
        <exclude-pattern>*/vendor/*</exclude-pattern>
        <arg name="extensions" value="php" />