[f-spot] remove 2nd identical command line switch

[Ruben Vermeersch <rubenv src gnome org>]

commit 51b81e734208a1af5a5fe6a1ceb5d4c0c4760419
Author: Christian Krause <chkr plauener de>
Date:   Sat Jun 19 21:01:13 2010 +0200

    remove 2nd identical command line switch
    
    https://bugzilla.gnome.org/show_bug.cgi?id=624393

 autogen.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 547bef3..b960aeb 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -78,7 +78,7 @@ run autoconf
 run autoheader
 test -f config.h.in && touch config.h.in
 run automake --gnu --add-missing --force --copy \
-	-Wno-portability -Wno-portability
+	-Wno-portability
 
 if [ ! -z "$NOCONFIGURE" ]; then
 	echo "Done. ./configure skipped."