[adwaita-icon-theme/gnome-3-26] 256 mistakenly not scalable

[Lapo Calamandrei <lapo src gnome org>]

commit ddf3e5ef3e15e3f27c0c6739c95b53b384bcb627
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Mon Nov 20 11:28:46 2017 +0100

    256 mistakenly not scalable
    
    - there are still 256x256 in the theme, don't set them "fixed".
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785574

 Makefile.am |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 0f0017b..73f4482 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -87,6 +87,10 @@ THEME_DIRS=$(shell SIZES="$(install_sizes)"; for size in $$SIZES; do for dir in
                        echo "MinSize=16" >> $@; \
                        echo "MaxSize=32" >> $@; \
                        echo "Type=Scalable" >> $@; \
+               elif test "$$size" = "256"; then \
+                       echo "MinSize=56" >> $@; \
+                       echo "MaxSize=256" >> $@; \
+                       echo "Type=Scalable" >> $@; \
                elif test "$$size" = "512"; then \
                        echo "MinSize=56" >> $@; \
                        echo "MaxSize=512" >> $@; \