[gnome-nibbles] Fix worm length after respawn

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 77cb0b3348f61255873f1ab1cb5ddb9e813c3bbf
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Jul 19 18:12:18 2014 -0500

    Fix worm length after respawn
    
    We accidentally leave a one-space invisible position of death behind our
    worm at all times after the worm respawns (for the duration of the
    current map). Invisible positions of death are bad so let's get rid of
    it.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=733429

 src/worm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/worm.c b/src/worm.c
index 6546e8c..90f52ba 100644
--- a/src/worm.c
+++ b/src/worm.c
@@ -655,7 +655,7 @@ gnibbles_worm_move_head (GnibblesWorm *worm)
 void
 gnibbles_worm_move_tail (GnibblesWorm *worm)
 {
-  if (g_list_length (worm->list) <= 1)
+  if (g_list_length (worm->list) < 1)
     return;
 
   if (worm->change <= 0) {