patch 8.2.1875: warning when building GTK gui

Problem:    Warning when building GTK gui.
Solution:   Add missing function parameter.
diff --git a/src/version.c b/src/version.c
index 2b02d48..8e5c08f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1875,
+/**/
     1874,
 /**/
     1873,