scanner: fix typo.

* src/scan-skel.l (@`): s/emtpy/empty/.
	Reported by Tim Landscheidt.

ChangeLog

@@ -1,3 +1,9 @@
+2012-01-11  Akim Demaille  <[email protected]>
+
+	scanner: fix typo.
+	* src/scan-skel.l (@`): s/emtpy/empty/.
+	Reported by Tim Landscheidt.
+
 2012-01-06  Jim Meyering  <[email protected]>
 
 	build: avoid warnings about set-but-not-used variables

THANKS

@@ -98,6 +98,7 @@ Shura                     [email protected]
 Steve Murphy              [email protected]
 Summum Bonum              [email protected]
 Tim Josling               [email protected]
+Tim Landscheidt           [email protected]
 Tim Van Holder            [email protected]
 Tom Lane                  [email protected]
 Tom Tromey                [email protected]

src/scan-skel.l

@@ -1,6 +1,6 @@
 /* Scan Bison Skeletons.                                       -*- C -*-
 
-   Copyright (C) 2001-2007, 2009-2011 Free Software Foundation, Inc.
+   Copyright (C) 2001-2007, 2009-2012 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -72,7 +72,7 @@ static void fail_for_invalid_at (char const *at);
 "@@" fputc ('@', yyout);
 "@{" fputc ('[', yyout);
 "@}" fputc (']', yyout);
-"@`" /* Emtpy.  Used by b4_cat in ../data/bison.m4.  */
+"@`" /* Empty.  Used by b4_cat in ../data/bison.m4.  */
 @\n  /* Likewise.  */
 
 "@oline@"  fprintf (yyout, "%d", out_lineno + 1);