patch 8.0.1594: :conform qall not tested with active terminal window

Problem:    :conform qall not tested with active terminal window.
Solution:   Add a test.
diff --git a/src/version.c b/src/version.c
index 727c21f..a6c7279 100644
--- a/src/version.c
+++ b/src/version.c
@@ -767,6 +767,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1594,
+/**/
     1593,
 /**/
     1592,