patch 8.1.1735: can't build with tiny features

Problem:    Can't build with tiny features.
Solution:   Add missing #ifdefs.
diff --git a/src/highlight.c b/src/highlight.c
index c962c73..6eadcd1 100644
--- a/src/highlight.c
+++ b/src/highlight.c
@@ -3948,7 +3948,10 @@
 	cur = cur->next;
     return cur;
 }
+#endif
 
+#if defined(FEAT_EVAL) || defined(PROTO)
+# ifdef FEAT_SEARCH_EXTRA
     static int
 matchadd_dict_arg(typval_T *tv, char_u **conceal_char, win_T **win)
 {
@@ -3984,7 +3987,7 @@
     void
 f_getmatches(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
 {
-#ifdef FEAT_SEARCH_EXTRA
+# ifdef FEAT_SEARCH_EXTRA
     dict_T	*dict;
     matchitem_T	*cur;
     int		i;
@@ -4031,7 +4034,7 @@
 	dict_add_string(dict, "group", syn_id2name(cur->hlg_id));
 	dict_add_number(dict, "priority", (long)cur->priority);
 	dict_add_number(dict, "id", (long)cur->id);
-# if defined(FEAT_CONCEAL)
+#  if defined(FEAT_CONCEAL)
 	if (cur->conceal_char)
 	{
 	    char_u buf[MB_MAXBYTES + 1];
@@ -4039,11 +4042,11 @@
 	    buf[(*mb_char2bytes)((int)cur->conceal_char, buf)] = NUL;
 	    dict_add_string(dict, "conceal", (char_u *)&buf);
 	}
-# endif
+#  endif
 	list_append_dict(rettv->vval.v_list, dict);
 	cur = cur->next;
     }
-#endif
+# endif
 }
 
 /*
@@ -4052,7 +4055,7 @@
     void
 f_matchadd(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
 {
-#ifdef FEAT_SEARCH_EXTRA
+# ifdef FEAT_SEARCH_EXTRA
     char_u	buf[NUMBUFLEN];
     char_u	*grp = tv_get_string_buf_chk(&argvars[0], buf);	/* group */
     char_u	*pat = tv_get_string_buf_chk(&argvars[1], buf);	/* pattern */
@@ -4087,7 +4090,7 @@
 
     rettv->vval.v_number = match_add(win, grp, pat, prio, id, NULL,
 								conceal_char);
-#endif
+# endif
 }
 
 /*
@@ -4096,7 +4099,7 @@
     void
 f_matchaddpos(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
 {
-#ifdef FEAT_SEARCH_EXTRA
+# ifdef FEAT_SEARCH_EXTRA
     char_u	buf[NUMBUFLEN];
     char_u	*group;
     int		prio = 10;
@@ -4145,7 +4148,7 @@
 
     rettv->vval.v_number = match_add(win, group, NULL, prio, id, l,
 								conceal_char);
-#endif
+# endif
 }
 
 /*
@@ -4156,7 +4159,7 @@
 {
     if (rettv_list_alloc(rettv) == OK)
     {
-#ifdef FEAT_SEARCH_EXTRA
+# ifdef FEAT_SEARCH_EXTRA
 	int	    id = (int)tv_get_number(&argvars[0]);
 	matchitem_T *m;
 
@@ -4174,7 +4177,7 @@
 		list_append_string(rettv->vval.v_list, NULL, -1);
 	    }
 	}
-#endif
+# endif
     }
 }
 
@@ -4184,7 +4187,7 @@
     void
 f_matchdelete(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
 {
-#ifdef FEAT_SEARCH_EXTRA
+# ifdef FEAT_SEARCH_EXTRA
     win_T   *win = get_optional_window(argvars, 1);
 
     if (win == NULL)
@@ -4192,5 +4195,6 @@
     else
 	rettv->vval.v_number = match_delete(win,
 				       (int)tv_get_number(&argvars[0]), TRUE);
-#endif
+# endif
 }
+#endif
diff --git a/src/json.c b/src/json.c
index c9a6230..2a5b5e4 100644
--- a/src/json.c
+++ b/src/json.c
@@ -1126,7 +1126,6 @@
     reader->js_used = used_save;
     return ret;
 }
-#endif
 
 /*
  * "js_decode()" function
@@ -1176,3 +1175,4 @@
     rettv->v_type = VAR_STRING;
     rettv->vval.v_string = json_encode(&argvars[0], 0);
 }
+#endif
diff --git a/src/version.c b/src/version.c
index f3493f2..e8f5d7f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1735,
+/**/
     1734,
 /**/
     1733,