updated for version 7.3.505
Problem:    Test 11 fails on MS-Windows in some versions.
Solution:   Fix #ifdefs for whether filtering through a pipe is possible. Move
            setting b_no_eol_lnum back to where it was before patch 7.3.124.
            (David Pope)
diff --git a/src/feature.h b/src/feature.h
index 6d5387e..d13e621 100644
--- a/src/feature.h
+++ b/src/feature.h
@@ -1316,3 +1316,11 @@
 #ifdef FEAT_NORMAL
 # define FEAT_PERSISTENT_UNDO
 #endif
+
+/*
+ * +filterpipe
+ */
+#if (defined(UNIX) && !defined(USE_SYSTEM)) \
+	    || (defined(WIN3264) && defined(FEAT_GUI_W32))
+# define FEAT_FILTERPIPE
+#endif