Implicitly turn off graphics hardware acceleration on WMware.
Should prevent from broken screen when install or run Plan9 in WMware.

Reference: /n/sources/patch/applied/vmware-hwaccel-off
Date: Sun Jul  6 21:20:38 CES 2008
Signed-off-by: antonin.vecera@gmail.com

--- /386/bin/aux/vmware	Sun Jul  6 21:16:38 2008
+++ /386/bin/aux/vmware	Sun Jul  6 21:16:31 2008
@@ -13,6 +13,7 @@
 	for(i in '#S'/sd??)
 		if(test -f $i/ctl)
 			echo dma on >$i/ctl
+	echo -n hwaccel off >/dev/vgactl
 	aux/vmwarefs
 	if(! test -f /dev/snarf)
 		aux/stub /dev/snarf