Fix #51 - Null deref in sdb : -
Fix #51 - Null deref in sdb : -

alvarofe/sdb,alvarofe/sdb,radare/sdb,alvarofe/sdb,Maijin/sdb,alvarofe/sdb,radare/sdb,alvarofe/sdb,radare/sdb,Maijin/sdb,alvarofe/sdb,pombredanne/sdb,pombredanne/sdb,pombredanne/sdb,pombredanne/sdb,Maijin/sdb,Maijin/sdb,radare/sdb,radare/sdb,Maijin/sdb,alvarofe/sdb,pombredanne/sdb,alvarofe/sdb,radare/sdb,radare/sdb,pombredanne/sdb,pombredanne/sdb,alvarofe/sdb,pombredanne/sdb,Maijin/sdb,alvarofe/sdb,radare/sdb,Maijin/sdb,Maijin/sdb,radare/sdb,radare/sdb,pombredanne/sdb,pombredanne/sdb,Maijin/sdb,radare/sdb,Maijin/sdb,Maijin/sdb,alvarofe/sdb,pombredanne/sdb