readline: update to 6.3p8

readline/src/readline63-008

@@ -0,0 +1,47 @@
+			   READLINE PATCH REPORT
+			   =====================
+
+Readline-Release: 6.3
+Patch-ID: readline63-008
+
+Bug-Reported-by:	Jared Yanovich <slovichon@gmail.com>
+Bug-Reference-ID:	<20140625225019.GJ17044@nightderanger.psc.edu>
+Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2014-06/msg00070.html
+
+Bug-Description:
+
+When the readline `revert-all-at-newline' option is set, pressing newline
+when the current line is one retrieved from history results in a double free
+and a segmentation fault.
+
+Patch (apply with `patch -p0'):
+
+*** ../readline-6.3-patched/misc.c	2012-09-01 18:03:11.000000000 -0400
+--- misc.c	2014-06-30 13:41:19.000000000 -0400
+***************
+*** 462,465 ****
+--- 462,466 ----
+  	  /* Set up rl_line_buffer and other variables from history entry */
+  	  rl_replace_from_history (entry, 0);	/* entry->line is now current */
++ 	  entry->data = 0;			/* entry->data is now current undo list */
+  	  /* Undo all changes to this history entry */
+  	  while (rl_undo_list)
+***************
+*** 469,473 ****
+  	  FREE (entry->line);
+  	  entry->line = savestring (rl_line_buffer);
+- 	  entry->data = 0;
+  	}
+        entry = previous_history ();
+--- 470,473 ----
+*** ../readline-6.3/patchlevel	2013-11-15 08:11:11.000000000 -0500
+--- patchlevel	2014-03-21 08:28:40.000000000 -0400
+***************
+*** 1,3 ****
+  # Do not edit -- exists only for use by patch
+  
+! 7
+--- 1,3 ----
+  # Do not edit -- exists only for use by patch
+  
+! 8