patch 7.4.1169
Problem:    The socket I/O is intertwined with the netbeans code.
Solution:   Start refactoring the netbeans communication to split off the
            socket I/O.  Add the +channel feature.
diff --git a/src/proto.h b/src/proto.h
index 5f52a31..7a48dc9 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -209,6 +209,9 @@
 # ifdef FEAT_NETBEANS_INTG
 #  include "netbeans.pro"
 # endif
+# ifdef FEAT_CHANNEL
+#  include "channel.pro"
+# endif
 
 # ifdef FEAT_GUI
 #  include "gui.pro"