patch 7.4.2153
Problem:    GUI test isn't testing much.
Solution:   Turn into a new style test.  Execute a shell command.
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 2965b70..9493ccb 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -154,7 +154,7 @@
 
 
 # Tests for the GUI.
-SCRIPTS_GUI = test16.out
+SCRIPTS_GUI =
 
 
 # Tests using runtest.vim.vim.
@@ -171,6 +171,7 @@
 	    test_digraph.res \
 	    test_farsi.res \
 	    test_gn.res \
+	    test_gui.res \
 	    test_hardcopy.res \
 	    test_history.res \
 	    test_increment.res \