diff --git a/src/structs.h b/src/structs.h
index b71f592..e8d5b72 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1085,6 +1085,9 @@
 # define B_SPELL(buf)  (0)
 #endif
 
+#ifdef FEAT_QUICKFIX
+typedef struct qf_info_S qf_info_T;
+#endif
 
 /*
  * buffer: structure that holds information about one file
@@ -1835,6 +1838,15 @@
     int		w_nrwidth_width;	/* nr of chars to print line count. */
 #endif
 
+#ifdef FEAT_QUICKFIX
+    qf_info_T	*w_llist;		/* Location list for this window */
+    /*
+     * Location list reference used in the location list window.
+     * In a non-location list window, w_llist_ref is NULL.
+     */
+    qf_info_T	*w_llist_ref;
+#endif
+
 
 #ifdef FEAT_MZSCHEME
     void	*w_mzscheme_ref;	/* The MzScheme value for this window */