Fix segv bug in checkhashes.

diff --git a/daemon/client.c b/daemon/client.c
index 63e40b2..bf30821 100644 (file)
--- a/daemon/client.c
+++ b/daemon/client.c
@@ -528,13 +528,14 @@ static int hashfile(char *path)
  */
 static void checkhashes(void)
 {
-    struct sharecache *node;
+    struct sharecache *node, *next;
     struct hashcache *hc;
     char *path;
     
     node = shareroot->child;
-    for(node = shareroot->child; node != NULL; node = nextscnode(node))
+    for(node = shareroot->child; node != NULL; node = next)
     {
+       next = nextscnode(node);
        if(node->f.b.type != FILE_REG)
            continue;
        if(!node->f.b.hastth)