From cd525c7bb12f0758dcb87189fdb884697806cef7 Mon Sep 17 00:00:00 2001
From: dgp <dgp@users.sourceforge.net>
Date: Wed, 6 Dec 2017 20:44:32 +0000
Subject: Plug memleak recently put into [package require].

---
 generic/tclPkg.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/generic/tclPkg.c b/generic/tclPkg.c
index d3dd584..349bda8 100644
--- a/generic/tclPkg.c
+++ b/generic/tclPkg.c
@@ -432,6 +432,8 @@ PkgRequireCore(
 		     * The version of the package sought is better than the
 		     * currently selected version.
 		     */
+		    ckfree(bestVersion);
+		    bestVersion = NULL;
 		    goto newbest;
 		}
 	    } else {
@@ -460,6 +462,8 @@ PkgRequireCore(
 		     * This stable version of the package sought is better
 		     * than the currently selected stable version.
 		     */
+		    ckfree(bestStableVersion);
+		    bestStableVersion = NULL;
 		    goto newstable;
 		}
 	    } else {
-- 
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