[gimp] Eliminated some warnings when compiling TinyScheme.

[Kevin Cozens <kcozens src gnome org>]

commit 728b1c6847bb263021609045d4d5927e185666fc
Author: Kevin Cozens <kcozens cvs gnome org>
Date:   Wed Aug 19 12:28:30 2009 -0400

    Eliminated some warnings when compiling TinyScheme.

 plug-ins/script-fu/tinyscheme/scheme-private.h |    2 ++
 plug-ins/script-fu/tinyscheme/scheme.h         |    1 +
 2 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/plug-ins/script-fu/tinyscheme/scheme-private.h b/plug-ins/script-fu/tinyscheme/scheme-private.h
index 0a65eae..95b5d24 100644
--- a/plug-ins/script-fu/tinyscheme/scheme-private.h
+++ b/plug-ins/script-fu/tinyscheme/scheme-private.h
@@ -171,6 +171,8 @@ gunichar charvalue(pointer p);
 int is_vector(pointer p);
 
 int is_port(pointer p);
+int is_inport(pointer p);
+int is_outport(pointer p);
 
 int is_pair(pointer p);
 pointer pair_car(pointer p);
diff --git a/plug-ins/script-fu/tinyscheme/scheme.h b/plug-ins/script-fu/tinyscheme/scheme.h
index 0e0763c..2893220 100644
--- a/plug-ins/script-fu/tinyscheme/scheme.h
+++ b/plug-ins/script-fu/tinyscheme/scheme.h
@@ -247,6 +247,7 @@ typedef struct scheme_registerable
 }
 scheme_registerable;
 
+void scheme_register_foreign_func(scheme * sc, scheme_registerable * sr);
 void scheme_register_foreign_func_list(scheme * sc,
                                       scheme_registerable * list,
                                       int n);