patch 7.4.2189
Problem:    Cannot detect encoding in a fifo.
Solution:   Extend the stdin way of detecting encoding to fifo.  Add a test
            for detecting encoding on stdin and fifo. (Ken Takata)
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 0ed91d7..0a5ee92 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -185,6 +185,7 @@
 	    test_ruby.res \
 	    test_signs.res \
 	    test_startup.res \
+	    test_startup_utf8.res \
 	    test_stat.res \
 	    test_syntax.res \
 	    test_textobjects.res \