patch 8.2.1056: wrong display when mixing match conceal and syntax conceal

Problem:    Wrong display when mixing match conceal and syntax conceal.
Solution:   Adjust how conceal flags are used. (closes #6327, closes #6303)
diff --git a/src/version.c b/src/version.c
index 11ec763..90a523e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1056,
+/**/
     1055,
 /**/
     1054,