bash: update to 4.4.23

bash/src/bash44-015

@@ -0,0 +1,43 @@
+			     BASH PATCH REPORT
+			     =================
+
+Bash-Release:	4.4
+Patch-ID:	bash44-015
+
+Bug-Reported-by:	David Simmons <bug-bash@tmp.davidsimmons.com>
+Bug-Reference-ID:	<bc6f0839-fa50-fe8f-65f5-5aa6feb11ec5@davidsimmons.com>
+Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2017-02/msg00033.html
+
+Bug-Description:
+
+Process substitution can leak internal quoting to the parser in the invoked
+subshell.
+
+Patch (apply with `patch -p0'):
+
+*** ../bash-20170210/subst.c	2017-01-19 11:08:50.000000000 -0500
+--- subst.c	2017-02-20 10:12:49.000000000 -0500
+***************
+*** 5907,5910 ****
+--- 5907,5912 ----
+    expanding_redir = 0;
+  
++   remove_quoted_escapes (string);
++ 
+    subshell_level++;
+    result = parse_and_execute (string, "process substitution", (SEVAL_NONINT|SEVAL_NOHIST));
+*** ../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 14
+  
+  #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 15
+  
+  #endif /* _PATCHLEVEL_H_ */