[gnome-calculator] Yet another font size fix

[Robert Roth <robertroth src gnome org>]

commit bb8cbd0b5f6f3a70769744aaf4c884421a5b3965
Author: Robert Roth <robert roth off gmail com>
Date:   Wed Oct 19 23:09:14 2016 +0300

    Yet another font size fix

 data/calculator.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/calculator.css b/data/calculator.css
index 3bbbb95..2cea817 100644
--- a/data/calculator.css
+++ b/data/calculator.css
@@ -48,7 +48,7 @@ window > grid {
   background-color: @theme_bg_color;
   border-bottom: 1px groove @borders;
   padding: 6px;
-  font-size: 15pt;
+  font-size: 15px;
 }
 
   .history-entry:last-child {