From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 11 Jul 2010 16:01:39 +0000 (+0200)
Subject: Fix crash in generating spell .sug file.
X-Git-Tag: v7.3~273
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dc781a79b4e04e7a2973b7deaf61cb35c64683e7;p=vim

Fix crash in generating spell .sug file.
---

diff --git a/src/spell.c b/src/spell.c
index b4d6ca72d..6d4d47ea2 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -7557,7 +7557,8 @@ tree_add_word(spin, word, root, flags, region, affixID)
 		np->wn_refs = node->wn_refs;
 		node->wn_refs = 1;
 	    }
-	    *prev = np;
+	    if (prev != NULL)
+		*prev = np;
 	    np->wn_sibling = node;
 	    node = np;
 	}