Fix checkstyle on gradle

Author: AB-xdev

.config/checkstyle/checkstyle.xml

@@ -9,7 +9,7 @@
 	<property name="tabWidth" value="4"/>
 
 	<module name="SuppressionFilter">
-		<property name="file" value=".config/checkstyle/suppressions.xml"/>
+		<property name="file" value="${config_loc}/suppressions.xml"/>
 	</module>
 
 	<module name="FileLength"/>