[gnome-calculator] Set preferences dialog fixed size (bgo#746599)

[Robert Roth <robertroth src gnome org>]

commit ac8263b1226f81a7daa74c566a75b6a1e975e052
Author: Robert Roth <robert roth off gmail com>
Date:   Tue Oct 11 10:19:25 2016 +0300

    Set preferences dialog fixed size (bgo#746599)

 src/math-preferences.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/math-preferences.vala b/src/math-preferences.vala
index 9a8b2dd..33b4f1c 100644
--- a/src/math-preferences.vala
+++ b/src/math-preferences.vala
@@ -21,7 +21,7 @@ public class MathPreferencesDialog : Gtk.Dialog
 
     public MathPreferencesDialog (MathEquation eq)
     {
-        Object(use_header_bar: 1, equation: eq);
+        Object(use_header_bar: 1, equation: eq, resizable: false);
     }
 
     construct