patch 8.2.2548: May get stuck in the cmdline window using :normal

Problem:    May get stuck in the cmdline window using :normal.
Solution:   Have nv_esc() return K_IGNORE.
diff --git a/src/version.c b/src/version.c
index 7eb0d05..3d52e49 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2548,
+/**/
     2547,
 /**/
     2546,