patch 8.2.2626: GTK3: error when starting up and -geometry is given

Problem:    GTK3: error when starting up and -geometry is given. (Dominique
            Pellé)
Solution:   Use another function to get the monitor if the window has not been
            created yet. (closes #7978)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2626,
 /**/
     2625,
 /**/