patch 8.1.1982: more functions can be used as methods

Problem:    More functions can be used as methods.
Solution:   Make popup functions usable as a method.
diff --git a/src/version.c b/src/version.c
index fb68068..515564d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1982,
+/**/
     1981,
 /**/
     1980,