[COMMITTED] Missing resetFirstLast() in TextureState.removeTexture()

According to the comment on resetFirstLast(),

"it updates firstTexture to be the first non-null Texture, and lastTexture to be the last non-null texture."

It is called at setTexture() but not at removeTexture()



Index: src/com/jme/scene/state/TextureState.java
===================================================================
--- src/com/jme/scene/state/TextureState.java   (revision 4138)
+++ src/com/jme/scene/state/TextureState.java   (working copy)
@@ -273,6 +273,8 @@
 
         texture.set(index, null);
         idCache[index] = 0;
+        resetFirstLast();
+        setNeedsRefresh(true);
         return true;
     }
 
@@ -287,6 +289,8 @@
 
         texture.set(textureUnit, null);
         idCache[textureUnit] = 0;
+        resetFirstLast();
+        setNeedsRefresh(true);
         return true;
 
     }