[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/111-upstream-bash42-011.patch

@@ -0,0 +1,41 @@
+			     BASH PATCH REPORT
+			     =================
+
+Bash-Release:	4.2
+Patch-ID:	bash42-011
+
+Bug-Reported-by:	"David Parks" <davidparks21@yahoo.com>
+Bug-Reference-ID:	<014101cc82c6$46ac1540$d4043fc0$@com>
+Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2011-10/msg00031.html
+
+Bug-Description:
+
+Overwriting a value in an associative array causes the memory allocated to
+store the key on the second and subsequent assignments to leak.
+
+Patch (apply with `patch -p0'):
+
+--- a/assoc.c
++++ b/assoc.c
+@@ -77,6 +77,11 @@ assoc_insert (hash, key, value)
+   b = hash_search (key, hash, HASH_CREATE);
+   if (b == 0)
+     return -1;
++  /* If we are overwriting an existing element's value, we're not going to
++     use the key.  Nothing in the array assignment code path frees the key
++     string, so we can free it here to avoid a memory leak. */
++  if (b->key != key)
++    free (key);
+   FREE (b->data);
+   b->data = value ? savestring (value) : (char *)0;
+   return (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 10
++#define PATCHLEVEL 11
+ 
+ #endif /* _PATCHLEVEL_H_ */