patch 7.4.1679

Problem:    Coverity: copying value of v_lock without initializing it.
Solution:   Init v_lock in rettv_list_alloc() and rettv_dict_alloc().

src/eval.c

@@ -6027,6 +6027,7 @@ rettv_list_alloc(typval_T *rettv)
 
     rettv->vval.v_list = l;
     rettv->v_type = VAR_LIST;
+    rettv->v_lock = 0;
     ++l->lv_refcount;
     return OK;
 }
@@ -7277,6 +7278,7 @@ rettv_dict_alloc(typval_T *rettv)
 
     rettv->vval.v_dict = d;
     rettv->v_type = VAR_DICT;
+    rettv->v_lock = 0;
     ++d->dv_refcount;
     return OK;
 }

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1679,
 /**/
     1678,
 /**/