move to improved p2 functions
diff --git a/releng.wtpbuilder/scripts/build/buildutilitiesp2.xml b/releng.wtpbuilder/scripts/build/buildutilitiesp2.xml
index 4351cf6..48cb882 100644
--- a/releng.wtpbuilder/scripts/build/buildutilitiesp2.xml
+++ b/releng.wtpbuilder/scripts/build/buildutilitiesp2.xml
@@ -113,7 +113,8 @@
     	-->
         <unzip
             dest="${buildDirectory}/${buildLabel}/${component}/repository/"
-            src="${buildDirectory}/${buildLabel}/temp-${buildLabel}-${component}.zip"/>
+            src="${buildDirectory}/${buildLabel}/temp-${buildLabel}-${component}.zip"
+            overwrite="true"/>
 
 
         <!-- TODO we could add 'pack' to this task, if desierd -->