(mm-add-meta-html-tag): Fix regexp matching meta tag.

lisp/gnus/ChangeLog

+2010-03-29  Katsumi Yamaoka  <yamaoka@jpl.org>
+
+	* mm-decode.el (mm-add-meta-html-tag): Fix regexp matching meta tag.
+
 2010-03-27  Chong Yidong  <cyd@stupidchicken.com>
 
 	* message.el (message-default-mail-headers):

lisp/gnus/mm-decode.el

@@ -1265,7 +1265,7 @@ or replaced."
 	(goto-char (point-min))
 	(if (re-search-forward "\
 <meta\\s-+http-equiv=[\"']?content-type[\"']?\\s-+content=[\"']\
-text/\\(\\sw+\\)\\(?:\;\\s-*charset=\\(.+?\\)\\)?[\"'][^>]*>" nil t)
+text/\\(\\sw+\\)\\(?:\;\\s-*charset=\\(.+\\)\\)?[\"'][^>]*>" nil t)
 	    (if (and (match-beginning 2)
 		     (string-match "\\`html\\'" (match-string 1)))
 		;; Don't modify existing meta tag.