Do not pass filename pattern to folder

Author: lkocman

xml/obs/openSUSE:Leap:16.0.xml

@@ -9,6 +9,6 @@
             <oss name="Leap-16.0-aarch64-ppc64le-s390x-x86_64$" mirror="1"/>
         </repos>
     </flavor>
-    <flavor name="offline-installer" folder="../product/local/*/*offline-installer*" iso="1" media1="0">
+    <flavor name="offline-installer" folder="../product/local" iso="1" media1="0">
     </flavor>
 </openQA>