Bump handlebars_assets

Gemfile

@@ -92,7 +92,7 @@ gem "entypo-rails", "3.0.0"
 
 # JavaScript
 
-gem "handlebars_assets", "0.23.8"
+gem "handlebars_assets", "0.23.9"
 gem "jquery-rails",      "4.4.0"
 gem "js-routes",         "1.4.9"
 gem "js_image_paths",    "0.1.1"

Gemfile.lock

@@ -313,7 +313,7 @@ GEM
       temple (>= 0.8.2)
       thor
       tilt
-    handlebars_assets (0.23.8)
+    handlebars_assets (0.23.9)
       execjs (~> 2.0)
       sprockets (>= 2.0.0)
       tilt (>= 1.2)
@@ -833,7 +833,7 @@ DEPENDENCIES
   gon (= 6.4.0)
   haml_lint (= 0.37.1)
   hamlit (= 2.15.0)
-  handlebars_assets (= 0.23.8)
+  handlebars_assets (= 0.23.9)
   http_accept_language (= 2.1.1)
   i18n-inflector-rails (= 1.0.7)
   jasmine (= 3.7.0)