Fix remaining warnings (fixes #260).
Fix remaining warnings (fixes #260).

mlt/i2pd,mlt/i2pd,EinMByte/i2pd,majestrate/kovri,majestrate/kovri,mlt/i2pd,01BTC10/i2pd,01BTC10/i2pd,mlt/i2pd,mlt/i2pd,majestrate/kovri,EinMByte/i2pd,mlt/i2pd,01BTC10/i2pd,01BTC10/i2pd,EinMByte/i2pd,EinMByte/i2pd,EinMByte/i2pd,EinMByte/i2pd,majestrate/kovri