[gimp] libgimpwidgets: change disabled code in GimpRuler to avoid a warning

[Michael Natterer <mitch src gnome org>]

commit e93f4580265f324978984d49eacdc747ebd9383b
Author: Michael Natterer <mitch gimp org>
Date:   Thu Feb 22 09:48:03 2018 +0100

    libgimpwidgets: change disabled code in GimpRuler to avoid a warning

 libgimpwidgets/gimpruler.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/libgimpwidgets/gimpruler.c b/libgimpwidgets/gimpruler.c
index 9708e49..f4451df 100644
--- a/libgimpwidgets/gimpruler.c
+++ b/libgimpwidgets/gimpruler.c
@@ -1432,10 +1432,8 @@ gimp_ruler_get_layout (GtkWidget   *widget,
 static const RulerMetric *
 gimp_ruler_get_metric (GimpUnit unit)
 {
-#if 0
-  if (unit == GIMP_UNIT_INCH)
+  if (FALSE) /* unit == GIMP_UNIT_INCH */
     return  &ruler_metric_inches;
-#endif
 
   return &ruler_metric_decimal;
 }