01-iceweasel: remove backup file in fcopy cmdline

Since 01-iceweasel might be (or: is) executed after GRMLBASE/98-clean-chroot
the /etc/iceweasel/profile/prefs.js.pro_fcopy might be left.
Avoid that by using fcopy's -B switch.

diff --git a/etc/grml/fai/config/scripts/GRML_FULL/01-iceweasel b/etc/grml/fai/config/scripts/GRML_FULL/01-iceweasel
index b32fffc..3603e57 100755 (executable)
--- a/etc/grml/fai/config/scripts/GRML_FULL/01-iceweasel
+++ b/etc/grml/fai/config/scripts/GRML_FULL/01-iceweasel
@@ -9,7 +9,7 @@
 set -u
 set -e
 
-fcopy -v /etc/iceweasel/profile/prefs.js
+fcopy -B -v /etc/iceweasel/profile/prefs.js
 
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