scripts/gen-dependencies.sh: prevent zero-length dep.* files from accumulating in tmp/

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 38860

scripts/gen-dependencies.sh

@@ -31,5 +31,5 @@ for kmod in `find $TARGETS -type f -name \*.ko`; do
 		egrep -a '^depends=' | \
 		sed -e 's,^depends=,,' -e 's/,/\n/g' | \
 		awk '{ print $1 ".ko" }'
-	rm -f $tmp
 done | sort -u
+rm -f $tmp