remove the unused retval variable in mainloop()
treec3a6bf1c56eeeeca69654315981e3a4831d63aa1
-rw-r--r-- 151 Makefile
-rw-r--r-- 3397 draw.c
-rw-r--r-- 484 draw.h
-rw-r--r-- 7785 fbvnc.c
-rw-r--r-- 1777 vnc.h