[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/106-upstream-bash42-006.patch

@@ -0,0 +1,37 @@
+			     BASH PATCH REPORT
+			     =================
+
+Bash-Release:	4.2
+Patch-ID:	bash42-006
+
+Bug-Reported-by:	Allan McRae <allan@archlinux.org>
+Bug-Reference-ID:	<4D6D0D0B.50908@archlinux.org>
+Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2011-03/msg00001.html
+
+Bug-Description:
+
+A problem with bash42-005 caused it to dump core if TZ was unset.
+
+Patch (apply with `patch -p0'):
+
+--- a/variables.c
++++ b/variables.c
+@@ -3660,7 +3660,7 @@ chkexport (name)
+   SHELL_VAR *v;
+ 
+   v = find_variable (name);
+-  if (exported_p (v))
++  if (v && exported_p (v))
+     {
+       array_needs_making = 1;
+       maybe_make_export_env ();
+--- 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 5
++#define PATCHLEVEL 6
+ 
+ #endif /* _PATCHLEVEL_H_ */