remove duplicate entry in /ui/widget/Makefile_insert

diff --git a/src/ui/widget/Makefile_insert b/src/ui/widget/Makefile_insert
index d84cb2f97d283b1e6644315ccac72a76c72c026a..30d52de01446a84b71cddffbe508d903e79c6b73 100644 (file)
--- a/src/ui/widget/Makefile_insert
+++ b/src/ui/widget/Makefile_insert
@@ -33,7 +33,6 @@ ui_widget_libuiwidget_a_SOURCES =     \
        ui/widget/page-sizer.cpp        \
        ui/widget/page-sizer.h          \
        ui/widget/panel.cpp             \
-       ui/widget/panel.cpp             \
        ui/widget/panel.h               \
        ui/widget/preferences-widget.cpp \
        ui/widget/preferences-widget.h   \