updated for version 7.4.379

Problem:    Accessing freed memory after using setqflist(list, 'r'). (Lcd)
Solution:   Reset qf_index.

Author: brammool

src/quickfix.c

@@ -2173,6 +2173,7 @@ qf_free(qi, idx)
     }
     vim_free(qi->qf_lists[idx].qf_title);
     qi->qf_lists[idx].qf_title = NULL;
+    qi->qf_lists[idx].qf_index = 0;
 }
 
 /*

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    379,
 /**/
     378,
 /**/