fix for issue #119 [-Wmaybe-uninitialized]
fix for issue #119 [-Wmaybe-uninitialized]

cancoin/libbitcoin-explorer,libtetcoin/libtetcoin-explorer,tuomassiren/libbitcoin-explorer,libmetrocoin/libmetrocoin-explorer,GroestlCoin/libgroestlcoin-explorer,GroestlCoin/libgroestlcoin-explorer,tuomassiren/libbitcoin-explorer,GroestlCoin/libgroestlcoin-explorer,libmetrocoin/libmetrocoin-explorer,cancoin/libbitcoin-explorer,libtetcoin/libtetcoin-explorer