Indicate mlt_frame_get_alpha_mask() is deprecated.
Indicate mlt_frame_get_alpha_mask() is deprecated.

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