Cleanup whitespace chars in melt/io.c.
Cleanup whitespace chars in melt/io.c.

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