releng: adopt library.xml after trouble getting it from github
diff --git a/releng/build-scripts/build/test.xml b/releng/build-scripts/build/test.xml
index a365f48..872eb06 100644
--- a/releng/build-scripts/build/test.xml
+++ b/releng/build-scripts/build/test.xml
@@ -44,7 +44,7 @@
 	>

 		<ant antfile="plugins/${testPlugin}/test.xml" dir="${test.eclipseDir}">

 			<property name="eclipse-home" value="${test.eclipseDir}" />

-			<property name="library-file" value="${user.dir}/../releng/build-scripts/lib/library.xml"/>

+			<property name="library-file" value="${user.dir}/../releng/build-scripts/build/lib/library.xml"/>

             <property name="extraVMargs" value="-XX:+HeapDumpOnOutOfMemoryError -ea --add-modules ALL-SYSTEM

             	--add-opens java.base/jdk.internal.loader=ALL-UNNAMED

             	--add-opens jdk.localedata/sun.util.resources.cldr.provider=ALL-UNNAMED