bash: update to 4.4.23

bash/src/bash44-022

@@ -0,0 +1,61 @@
+			     BASH PATCH REPORT
+			     =================
+
+Bash-Release:	4.4
+Patch-ID:	bash44-022
+
+Bug-Reported-by:	Nuzhna Pomoshch <nuzhna_pomoshch@yahoo.com>
+Bug-Reference-ID:	<1317167476.1492079.1495999776464@mail.yahoo.com>
+Bug-Reference-URL:	https://lists.gnu.org/archive/html/bug-readline/2017-05/msg00005.html
+
+Bug-Description:
+
+There are cases where a failing readline command (e.g., delete-char at the end
+of a line) can cause a multi-character key sequence to `back up' and attempt
+to re-read some of the characters in the sequence.
+
+Patch (apply with `patch -p0'):
+
+*** ../bash-4.4-patched/lib/readline/readline.c	2016-04-20 15:53:52.000000000 -0400
+--- lib/readline/readline.c	2018-05-26 17:19:00.000000000 -0400
+***************
+*** 1058,1062 ****
+  	r = _rl_dispatch (ANYOTHERKEY, m);
+      }
+!   else if (r && map[ANYOTHERKEY].function)
+      {
+        /* We didn't match (r is probably -1), so return something to
+--- 1056,1060 ----
+  	r = _rl_dispatch (ANYOTHERKEY, m);
+      }
+!   else if (r < 0 && map[ANYOTHERKEY].function)
+      {
+        /* We didn't match (r is probably -1), so return something to
+***************
+*** 1070,1074 ****
+        return -2;
+      }
+!   else if (r && got_subseq)
+      {
+        /* OK, back up the chain. */
+--- 1068,1072 ----
+        return -2;
+      }
+!   else if (r < 0 && got_subseq)		/* XXX */
+      {
+        /* OK, back up the chain. */
+*** ../bash-4.4/patchlevel.h	2016-06-22 14:51:03.000000000 -0400
+--- patchlevel.h	2016-10-01 11:01:28.000000000 -0400
+***************
+*** 26,30 ****
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 21
+  
+  #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 22
+  
+  #endif /* _PATCHLEVEL_H_ */