and don't generate false negative
Changed files:
ocaml-net-lablgtk2.patch -> 1.1
--- /dev/null
+--- ocamlnet-3.3.4/configure~ 2011-07-12 17:37:46.000000000 +0200
++++ ocamlnet-3.3.4/configure 2011-07-18 11:31:34.518459688 +0200
+@@ -629,7 +629,7 @@
+ EOF
+ # Note: this newer API is never broken in the sense checked below, i.e.
+ # such lablgtk2 versions do not exist.
+- if ocamlfind ocamlc -package unix,lablgtk2 -linkpkg -o tmp/gtk tmp/gtk.ml >/dev/null 2>/dev/null && tmp/gtk; then
++ if ocamlfind ocamlc -package unix,lablgtk2 -linkpkg -o tmp/gtk tmp/gtk.ml >/dev/null 2>/dev/null; then
+ echo "yes"
+ gtk2_io_add_watch_supports_lists="-ppopt -DGTK2_IO_ADD_WATCH_SUPPORTS_LISTS"
+ else