angstrom feed builder: also clean perl and perl-native during architecture change

* If recipes like xml-parser-perl fail with linking to your host LIBC, clean perl and perl-native

diff --git a/contrib/angstrom/build-feeds.sh b/contrib/angstrom/build-feeds.sh
index 6760a5d..7f3dff0 100755 (executable)
--- a/contrib/angstrom/build-feeds.sh
+++ b/contrib/angstrom/build-feeds.sh
@@ -70,7 +70,7 @@ fi
 for machine in ${ARCH_MACHINES}
 do
         BUILD_MACHINE=$machine
-        BUILD_CLEAN="qmake-native qmake2-native qt-x11-free iso-codes python python-native python-pygtk gnome-icon-theme"
+        BUILD_CLEAN="qmake-native qmake2-native qt-x11-free iso-codes perl perl-native python python-native python-pygtk gnome-icon-theme"
         BUILD_TARGETS=" \
                       abiword \
                       aircrack-ng \