bug#18409: 24.3; call-process-shell-command doc

[Devon Sean McCullough]

Make the rest args easier to spot in the documentation

--- lisp/subr.el.~1~    2014-09-04 11:46:00.000000000 -0400
+++ lisp/subr.el        2014-09-04 11:48:31.000000000 -0400
@@ -3027,7 +3027,7 @@
t (mix it with ordinary output), or a file name string.

Fourth arg DISPLAY non-nil means redisplay buffer as output is inserted.
-Remaining arguments are strings passed as additional arguments for COMMAND.
+Remaining ARGS are strings passed as additional arguments for COMMAND.
Wildcards and redirection are handled as usual in the shell.

If BUFFER is 0, `call-process-shell-command' returns immediately with value nil.