Replace #!/bin/sh' with #! /bin/sh', for benefit of systems

that interpret `#! /' as a 4-byte magic number.

lib-src/rcs-checkin

@@ -1,4 +1,4 @@
-#!/bin/sh
+#! /bin/sh
 
 # This script accepts any number of file arguments and checks them into RCS.
 #

lib-src/rcs2log

@@ -1,4 +1,4 @@
-#!/bin/sh
+#! /bin/sh
 
 # RCS to ChangeLog generator
 
@@ -12,7 +12,7 @@
 
 # Author: Paul Eggert <eggert@twinsun.com>
 
-# $Id: rcs2log,v 1.24 1995/06/28 01:47:55 eggert Exp $
+# $Id: rcs2log,v 1.24 1995/06/28 01:47:55 eggert Exp eggert $
 
 # Copyright 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
 

lib-src/vcdiff

@@ -1,9 +1,9 @@
-#!/bin/sh
+#! /bin/sh
 #
 # Enhanced sccs diff utility for use with vc mode.
 # This version is more compatible with rcsdiff(1).
 #
-#	$Id: vcdiff,v 1.3 1993/08/25 08:18:56 eggert Exp eggert $
+#	$Id: vcdiff,v 1.4 1993/12/03 09:29:18 eggert Exp eggert $
 #
 
 DIFF="diff"