[gimp] Bug 675510 - tw_func.h contains windows-specific types

[Michael Natterer <mitch src gnome org>]

commit 5379a2377ec4b4df240d253823a9740e529a7671
Author: Ludovic Rousseau <ludovic rousseau gmail com>
Date:   Sat Jan 19 18:39:15 2013 +0100

    Bug 675510 - tw_func.h contains windows-specific types
    
    Put the stuff in #ifdef G_OS_WIN32

 plug-ins/twain/tw_func.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/plug-ins/twain/tw_func.h b/plug-ins/twain/tw_func.h
index da9d377..bd7ff27 100644
--- a/plug-ins/twain/tw_func.h
+++ b/plug-ins/twain/tw_func.h
@@ -234,8 +234,10 @@ void registerTransferCallbacks(pTW_SESSION, pTXFR_CB_FUNCS, void *);
 void setClientData(pTW_SESSION session, void *clientData);
 pTW_SESSION initializeTwain(void);
 
+#ifdef G_OS_WIN32
 void LogLastWinError(void);
 BOOL InitApplication(HINSTANCE hInstance);
 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow, pTW_SESSION twSession);
+#endif
 
 #endif /* _TW_FUNC_H */