Fixed a bug in sample_video_record.cpp
Fixed a bug in sample_video_record.cpp

Thank you S.SHINOHARA !

tekkies/cvdrone,tekkies/cvdrone,adiego73/cvdrone,tekkies/cvdrone,tourdrone/cvdrone,tourdrone/cvdrone,puku0x/cvdrone,b0gd4n/AR.Drone-Dissertation