From: Florian Fainelli <f.fainelli@gmail.com>
Date: Fri, 1 Jul 2016 23:06:42 +0000 (-0700)
Subject: cmake: Link against libjson-c
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffstools.git;a=commitdiff_plain;h=35aa20c51995e80257244790d4f058e15f29569f;hp=35aa20c51995e80257244790d4f058e15f29569f

cmake: Link against libjson-c

block uses libblob_msgjson which requires us to link against libjson-c.
Some external toolchains would be failing to find that library unless
specified explicitly.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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