Correctly remove unused paths from the cache.

Change-Id: I41d9334dcd9871634037344ab49bf69383498161
diff --git a/libs/hwui/TextureCache.h b/libs/hwui/TextureCache.h
index d9d2387..5c314fc 100644
--- a/libs/hwui/TextureCache.h
+++ b/libs/hwui/TextureCache.h
@@ -39,6 +39,10 @@
     #define TEXTURE_LOGD(...)
 #endif
 
+///////////////////////////////////////////////////////////////////////////////
+// Classes
+///////////////////////////////////////////////////////////////////////////////
+
 /**
  * A simple LRU texture cache. The cache has a maximum size expressed in bytes.
  * Any texture added to the cache causing the cache to grow beyond the maximum