xtables-addons: build: fix configure compatiblity with POSIX shells
authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Thu, 21 Apr 2016 19:47:26 +0000 (19:47 +0000)
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Thu, 21 Apr 2016 19:47:26 +0000 (19:47 +0000)
Fixes build with /bin/sh pointing to certain versions of dash (for example
on Void Linux).

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@49218 3c298f89-4303-0410-b956-a3cf2f4a3e73


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