Change close to minimize

Change-Id: I9eeb858b6d03a54114f332486ae0f60782912acf
diff --git a/dev/scss/util.scss b/dev/scss/util.scss
index 26d985d..077ba10 100644
--- a/dev/scss/util.scss
+++ b/dev/scss/util.scss
@@ -238,6 +238,7 @@
 $fa-extlink:      "\f08e";
 $fa-up:           "\f0d8";
 $fa-down:         "\f0d7";
+$fa-minimize:     "\f0d8";
 $fa-close:        "\f00d";
 $fa-download:     "\f019";
 $fa-info:         "\f05a";