[packages] bash: import upstream 4.2 patch series

git-svn-id: svn://svn.openwrt.org/openwrt/packages@31746 3c298f89-4303-0410-b956-a3cf2f4a3e73

utils/bash/patches/117-upstream-bash42-017.patch

@@ -0,0 +1,42 @@
+			     BASH PATCH REPORT
+			     =================
+
+Bash-Release:	4.2
+Patch-ID:	bash42-017
+
+Bug-Reported-by:	Curtis Doty <Curtis@GreenKey.net>
+Bug-Reference-ID:	<20110621035324.A4F70849F59@mx1.iParadigms.net>
+Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2011-06/msg00053.html
+
+Bug-Description:
+
+Using `read -a foo' where foo was an already-declared associative array
+caused the shell to die with a segmentation fault.
+
+Patch (apply with `patch -p0'):
+
+--- a/builtins/read.def
++++ b/builtins/read.def
+@@ -642,6 +642,12 @@ assign_vars:
+ 	  xfree (input_string);
+ 	  return EXECUTION_FAILURE;	/* readonly or noassign */
+ 	}
++      if (assoc_p (var))
++	{
++          builtin_error (_("%s: cannot convert associative to indexed array"), arrayname);
++	  xfree (input_string);
++	  return EXECUTION_FAILURE;	/* existing associative array */
++	}
+       array_flush (array_cell (var));
+ 
+       alist = list_string (input_string, ifs_chars, 0);
+--- a/patchlevel.h
++++ b/patchlevel.h
+@@ -25,6 +25,6 @@
+    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
+    looks for to find the patch level (for the sccs version string). */
+ 
+-#define PATCHLEVEL 16
++#define PATCHLEVEL 17
+ 
+ #endif /* _PATCHLEVEL_H_ */