patch 8.0.1784: gvim test gets stuck in dialog

Problem:    Gvim test gets stuck in dialog.
Solution:   Rename the file used.
diff --git a/src/version.c b/src/version.c
index 76a4f2c..16d0eb0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1784,
+/**/
     1783,
 /**/
     1782,