LDFLAGS and CFLAGS for openpam

--- deps/canola/rebar.config.orig	Thu Jan  8 17:20:26 2015
+++ deps/canola/rebar.config	Thu Jan  8 17:24:37 2015
@@ -1,3 +1,3 @@
 {port_specs, [{"priv/canola-port", ["c_src/canola-port.c"]}]}.
 
-{port_env, [{"LDFLAGS", "$LDFLAGS -lpam"}]}.
+{port_env, [{"LDFLAGS", "$LDFLAGS -lpam -L$LOCALBASE/lib"}, {"CFLAGS", "$CFLAGS -I$LOCALBASE/include"}]}.
