patch 8.2.1941: Ex mode test fails on MS-Windows with GUI

Problem:    Ex mode test fails on MS-Windows with GUI.
Solution:   Skip the test when using gvim.
diff --git a/src/version.c b/src/version.c
index 42830bc..279837b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1941,
+/**/
     1940,
 /**/
     1939,