[PATCH libXaw] Scrollbar.c: Add Btn4 & Btn5 to default translations

[Roberto Branciforti]

Add default translations to handle mouse wheel events for moving the
scrollbar.

Signed-off-by: Roberto Branciforti <rbbrnc at gmail.com>
---
 src/Scrollbar.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/Scrollbar.c b/src/Scrollbar.c
index 894a945..5e4fdcf 100644
--- a/src/Scrollbar.c
+++ b/src/Scrollbar.c
@@ -102,6 +102,8 @@ static char defaultTranslations[] =
 "<Btn1Down>:"	"StartScroll(Forward)\n"
 "<Btn2Down>:"	"StartScroll(Continuous) MoveThumb() NotifyThumb()\n"
 "<Btn3Down>:"	"StartScroll(Backward)\n"
+"<Btn4Down>:"	"StartScroll(Backward)\n"
+"<Btn5Down>:"	"StartScroll(Forward)\n"
 "<Btn2Motion>:"	"MoveThumb() NotifyThumb()\n"
 "<BtnUp>:"	"NotifyScroll(Proportional) EndScroll()\n";
 
-- 
1.6.4