patch 9.2.0079: memory leak in eval_dict()

Problem:  memory leak in eval_dict()
Solution: Do not return but goto failret (Huihui Huang).

closes: #19531

Signed-off-by: Huihui Huang <625173@qq.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/dict.c

@@ -994,7 +994,7 @@ eval_dict(char_u **arg, typval_T *rettv, evalarg_T *evalarg, int literal)
 		{
 		    emsg(_(e_missing_matching_bracket_after_dict_key));
 		    clear_tv(&tvkey);
-		    return FAIL;
+		    goto failret;
 		}
 		++*arg;
 	    }

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    79,
 /**/
     78,
 /**/