Gaëtan Harter eec88e3e53
shell/sc_can: fix uninitialized warning
When compiled for `hifive1` board with `gcc-7.2.0` this warning was raised:

'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2018-07-24 13:58:21 +02:00
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2018-06-10 12:11:44 +02:00
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