使用更安全的 Log

src/com/hippo/ehviewer/network/HttpHelper.java

@@ -27,7 +27,7 @@ import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.support.v4.util.LruCache;
-import android.util.Log;
+import com.hippo.ehviewer.util.Log;
 
 /**
  * It is not thread safe