code: drawterm

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expand iounit to handle large images in /dev/draw

--- a/exportfs/exportfs.c

+++ b/exportfs/exportfs.c

@@ -58,7 +58,7 @@

 	if(messagesize == 0){

 		messagesize = iounit(netfd);

 		if(messagesize == 0)

-			messagesize = 8192+IOHDRSZ;

+			messagesize = 8*8192+IOHDRSZ;

 	}

 	Workq = emallocz(sizeof(Fsrpc)*Nr_workbufs);

--- a/exportfs/exportsrv.c

+++ b/exportfs/exportsrv.c

@@ -16,7 +16,7 @@

 int iounit(int x)

 {

-	return 8192+IOHDRSZ;

+	return 8*8192+IOHDRSZ;

 }

 void*