Correct dates of merged ChangeLog entries

doc/lispref/ChangeLog

-2012-12-31  Glenn Morris  <rgm@gnu.org>
+2013-01-02  Glenn Morris  <rgm@gnu.org>
 
 	* customize.texi (Common Keywords, Type Keywords):
 	Replace "active field" with "button".  (Bug#13310)

lisp/ChangeLog

-2012-12-31  Andreas Schwab  <schwab@linux-m68k.org>
+2013-01-02  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* emacs-lisp/byte-run.el (defmacro): Use same argument parsing as
 	defun.  Don't check for DECL if DOCSTRING isn't a string.
 	(defun): Likewise.
 
-2012-12-31  Glenn Morris  <rgm@gnu.org>
+2013-01-02  Glenn Morris  <rgm@gnu.org>
 
 	* eshell/em-cmpl.el (eshell-pcomplete):
 	More thoroughly imitate pcomplete.  (Bug#13293)
@@ -12,29 +12,27 @@
 	* files.el (parse-colon-path): Doc fix.  (Bug#12351)
 	Return nil for empty path elements.  (Bug#13296)
 
-2012-12-31  Fabián Ezequiel Gallina  <fgallina@cuca>
+2013-01-02  Fabián Ezequiel Gallina  <fgallina@cuca>
 
 	* progmodes/python.el (python-nav-end-of-statement): Rewrite in
 	order to improve efficiency (Based on Daniel Colascione's
 	<dancol@dancol.org> patch).  (Bug#13182)
 
-2012-12-31  Glenn Morris  <rgm@gnu.org>
+2013-01-02  Glenn Morris  <rgm@gnu.org>
 
 	* vc/log-edit.el (log-edit-header-contents-regexp): Add doc string.
 
-2012-12-31  Fabián Ezequiel Gallina  <fgallina@cuca>
+2013-01-02  Fabián Ezequiel Gallina  <fgallina@cuca>
 
 	* progmodes/python.el: Support other commands triggering
 	python-indent-line so indentation cycling continues to work.
 	(python-indent-trigger-commands): New defcustom.
 	(python-indent-line): Use it.
 
-2012-12-31  Fabián Ezequiel Gallina  <fgallina@cuca>
-
 	* progmodes/python.el (python-shell-send-region): Add blank lines
 	for non sent code so backtraces remain correct.
 
-2012-12-31  Andreas Schwab  <schwab@linux-m68k.org>
+2013-01-02  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* emacs-lisp/byte-run.el (defmacro): Don't lose final nil if
 	neither DOCSTRING nor DECL was given.  (Bug#13316)

src/ChangeLog

-2012-12-31  Glenn Morris  <rgm@gnu.org>
+2013-01-02  Glenn Morris  <rgm@gnu.org>
 
 	* keymap.c (Fkey_description): Doc fix.  (Bug#13323)