Fix null argv[0] passed to QApplication.
Fix null argv[0] passed to QApplication.

mltframework/mlt,anba8005/mlt,xzhavilla/mlt,j-b-m/mlt,mltframework/mlt,xzhavilla/mlt,xzhavilla/mlt,xzhavilla/mlt,mltframework/mlt,anba8005/mlt,mltframework/mlt,anba8005/mlt,j-b-m/mlt,mltframework/mlt,xzhavilla/mlt,j-b-m/mlt,siddharudh/mlt,anba8005/mlt,siddharudh/mlt,xzhavilla/mlt,mltframework/mlt,siddharudh/mlt,anba8005/mlt,xzhavilla/mlt,j-b-m/mlt,anba8005/mlt,xzhavilla/mlt,j-b-m/mlt,siddharudh/mlt,j-b-m/mlt,j-b-m/mlt,mltframework/mlt,siddharudh/mlt,siddharudh/mlt,siddharudh/mlt,anba8005/mlt,mltframework/mlt,mltframework/mlt,anba8005/mlt,siddharudh/mlt,mltframework/mlt,j-b-m/mlt,siddharudh/mlt,j-b-m/mlt,anba8005/mlt,j-b-m/mlt,xzhavilla/mlt