Today's changes.

More changes.

src/cmd/diff/diff.h

@@ -1,3 +1,5 @@
+#define stdout bstdout
+
 char mode;			/* '\0', 'e', 'f', 'h' */
 char bflag;			/* ignore multiple and trailing blanks */
 char rflag;			/* recurse down directory trees */

src/cmd/diff/main.c

@@ -26,6 +26,8 @@ void
 done(int status)
 {
 	rmtmpfiles();
+Bflush(&stdout);
+Bterm(&stdout);
 	switch(status)
 	{
 	case 0: