Fixed corruption when copying to the same surface (with the help of
[wine] / misc /
drwxr-xr-x   ..
-rw-r--r-- 8640 cpu.c
-rw-r--r-- 8182 error.c
-rw-r--r-- 1689 main.c
-rw-r--r-- 6857 options.c
-rw-r--r-- 55400 registry.c
-rw-r--r-- 6780 system.c
-rw-r--r-- 30917 version.c