bash: update to patchlevel 025 and apply 2nd patch for CVE-2014-6271.

See http://seclists.org/oss-sec/2014/q3/690

srcpkgs/bash/patches/eol-pushback.patch

@@ -0,0 +1,13 @@
+CVE-2014-6271: remote code execution through bash (2/2)
+
+*** parse.y	2014-08-26 15:09:42.000000000 -0400
+--- parse.y	2014-09-24 22:47:28.000000000 -0400
+***************
+*** 2959,2962 ****
+--- 2959,2964 ----
+    word_desc_to_read = (WORD_DESC *)NULL;
+  
++   eol_ungetc_lookahead = 0;
++ 
+    current_token = '\n';		/* XXX */
+    last_read_token = '\n';