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-rw-r--r--test/symbols.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/symbols.cxx b/test/symbols.cxx
index 6450a20a3..28d4eaed2 100644
--- a/test/symbols.cxx
+++ b/test/symbols.cxx
@@ -45,7 +45,7 @@ Fl_Window *window;
Fl_Value_Slider *orientation;
Fl_Value_Slider *size;
-void slider_cb(Fl_Widget *w, void *) {
+void slider_cb(Fl_Widget *, void *) {
static char buf[80];
int val = (int)orientation->value();
int sze = (int)size->value();