--- /dev/null
+--- mod_auth_kerb-5.4/src/mod_auth_kerb.c~ 2008-12-04 11:14:03.000000000 +0100
++++ mod_auth_kerb-5.4/src/mod_auth_kerb.c 2009-12-09 15:17:55.226027574 +0100
+@@ -89,6 +89,7 @@
+ #include <krb5.h>
+ #ifdef HEIMDAL
+ # include <gssapi.h>
++# include <gssapi/gssapi_krb5.h>
+ #else
+ # include <gssapi/gssapi.h>
+ # include <gssapi/gssapi_generic.h>