CLEANUP: Reapply ha_free.cocci (2)

This reapplies ha_free.cocci across the whole src/ tree.

src/haterm_init.c

@@ -80,8 +80,7 @@ static struct hbuf *hbuf_alloc(struct hbuf *h)
 
 static inline void free_hbuf(struct hbuf *h)
 {
-	free(h->area);
-	h->area = NULL;
+	ha_free(&h->area);
 }
 
 __attribute__ ((format(printf, 2, 3)))

src/tools.c

@@ -7565,8 +7565,7 @@ int backup_env(void)
 				free(*tmp);
 				tmp++;
 			}
-			free(init_env);
-			init_env = NULL;
+			ha_free(&init_env);
 			return -1;
 		}
 		tmp++;
@@ -7761,8 +7760,7 @@ void ha_freearray(char ***array)
 	char **r = *array;
 
 	for (i = 0; r && r[i]; i++) {
-		free(r[i]);
-		r[i] = NULL;
+		ha_free(&r[i]);
 	}
 	*array = NULL;
 }