patch 7.4.1945
Problem:    The Man plugin doesn't work that well.
Solution:   Use "g:ft_man_open_mode" to be able open man pages in vert split
            or separate tab. Set nomodifiable for buffer with man content. Add
            a test. (Andrey Starodubtsev, closes #873)
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 57f8283..2dbdc32 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -175,6 +175,7 @@
 	    test_increment.res \
 	    test_json.res \
 	    test_langmap.res \
+	    test_man.res \
 	    test_matchadd_conceal.res \
 	    test_packadd.res \
 	    test_perl.res \