patch 8.2.3988: tiny build fails

Problem:    Tiny build fails.
Solution:   Fix misplaced #ifdef.
diff --git a/src/errors.h b/src/errors.h
index 592cd6c..4fd4722 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -1261,8 +1261,8 @@
 #endif
 EXTERN char e_keymap_file_not_found[]
 	INIT(= N_("E544: Keymap file not found"));
-EXTERN char e_missing_colon_2[]
 #ifdef CURSOR_SHAPE
+EXTERN char e_missing_colon_2[]
 	INIT(= N_("E545: Missing colon"));
 EXTERN char e_illegal_mode[]
 	INIT(= N_("E546: Illegal mode"));