bug#20916: 25.0.50; [PATCH] Calc `s p' glitch

[Wolfgang Jenkner]

May I push the following patch?

-- >8 --
>From 4c78b6aa26675f980d37fca7c0924f5219a4edb6 Mon Sep 17 00:00:00 2001
From: Wolfgang Jenkner <wjenkner@inode.at>
Date: Sun, 28 Jun 2015 15:46:57 +0200
Subject: [PATCH] * lisp/calc-store.el (calc-insert-permanent-variable): Heed
 case.

Otherwise `s p' of f and F will stomp on each other's value.
---
 lisp/calc/calc-store.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/calc/calc-store.el b/lisp/calc/calc-store.el
index 11bf964..91b927a 100644
--- a/lisp/calc/calc-store.el
+++ b/lisp/calc/calc-store.el
@@ -609,7 +609,8 @@
 
 (defun calc-insert-permanent-variable (var)
   (goto-char (point-min))
-  (if (search-forward (concat "(setq " (symbol-name var) " '") nil t)
+  (if (let (case-fold-search)
+        (search-forward (concat "(setq " (symbol-name var) " '") nil t))
       (progn
        (setq calc-pv-pos (point-marker))
        (forward-line -1)
-- 
2.4.2