- automatically add svn revision number to about window

diff --git a/src/lingot-mainframe.c b/src/lingot-mainframe.c
index 5fcfdad..1fa61bc 100644
--- a/src/lingot-mainframe.c
+++ b/src/lingot-mainframe.c
@@ -99,7 +99,7 @@ void lingot_mainframe_callback_about(GtkWidget* w, LingotMainFrame* frame) {

 		gtk_show_about_dialog(NULL,
 		"name", "Lingot",
-		"version", VERSION,
+		"version", VERSION REV,
 		"copyright", "\xC2\xA9 2004-2007 Ibán Cereijo Graña\n\xC2\xA9 2004-2007 Jairo Chapela Martínez",
 		"comments", _("Accurate and easy to use musical instrument tuner"),
 		"authors", authors,
diff --git a/win32-cross-build.sh b/win32-cross-build.sh
index 41c290c..9c2e74b 100755
--- a/win32-cross-build.sh
+++ b/win32-cross-build.sh
@@ -1,5 +1,8 @@
 #!/bin/sh
-export CFLAGS='-I../../portaudio/include/ -I../../pthreads-w32-2-8-0-release/ -DPORTAUDIO'
+STAT=$(svn status)
+test "x$STAT" == "x" || PLUS="+"
+REV=$(svn info | grep Revision | cut -d' ' -f2)$PLUS
+export CFLAGS="-I../../portaudio/include/ -I../../pthreads-w32-2-8-0-release/ -DPORTAUDIO -DREV='\"r$REV\"'"
 export LDFLAGS='-L../../pthreads-w32-2-8-0-release -L../../portaudio/lib/.libs'

 ./configure --host=i386-mingw32 --enable-nls