patch 8.1.2422: "make depend" does not work correctly for libvterm
Problem: "make depend" does not work correctly for libvterm.
Solution: Fix build dependencies. And a few minor improvements.
diff --git a/src/insexpand.c b/src/insexpand.c
index 4f96174..ce2cc72 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -32,7 +32,7 @@
# define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT)
# define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT)
# define CTRL_X_CMDLINE 11
-# define CTRL_X_FUNCTION 12
+# define CTRL_X_FUNCTION 12
# define CTRL_X_OMNI 13
# define CTRL_X_SPELL 14
# define CTRL_X_LOCAL_MSG 15 /* only used in "ctrl_x_msgs" */