Use new hash syntax

We only support Ruby >= 1.9

Author: rafaelfranca

lib/sprockets/rails/helper.rb

@@ -125,21 +125,21 @@ def javascript_include_tag(*sources)
 
         if options["debug"] != false && request_debug_assets?
           sources.map { |source|
-            if asset = lookup_debug_asset(source, :type => :javascript)
+            if asset = lookup_debug_asset(source, type: :javascript)
               if asset.respond_to?(:to_a)
                 asset.to_a.map do |a|
-                  super(path_to_javascript(a.logical_path, :debug => true), options)
+                  super(path_to_javascript(a.logical_path, debug: true), options)
                 end
               else
-                super(path_to_javascript(asset.logical_path, :debug => true), options)
+                super(path_to_javascript(asset.logical_path, debug: true), options)
               end
             else
               super(source, options)
             end
           }.flatten.uniq.join("\n").html_safe
         else
           sources.map { |source|
-            options = options.merge('integrity' => asset_integrity(source, :type => :javascript)) if integrity
+            options = options.merge('integrity' => asset_integrity(source, type: :javascript)) if integrity
             super source, options
           }.join("\n").html_safe
         end
@@ -154,21 +154,21 @@ def stylesheet_link_tag(*sources)
 
         if options["debug"] != false && request_debug_assets?
           sources.map { |source|
-            if asset = lookup_debug_asset(source, :type => :stylesheet)
+            if asset = lookup_debug_asset(source, type: :stylesheet)
               if asset.respond_to?(:to_a)
                 asset.to_a.map do |a|
-                  super(path_to_stylesheet(a.logical_path, :debug => true), options)
+                  super(path_to_stylesheet(a.logical_path, debug: true), options)
                 end
               else
-                super(path_to_stylesheet(asset.logical_path, :debug => true), options)
+                super(path_to_stylesheet(asset.logical_path, debug: true), options)
               end
             else
               super(source, options)
             end
           }.flatten.uniq.join("\n").html_safe
         else
           sources.map { |source|
-            options = options.merge('integrity' => asset_integrity(source, :type => :stylesheet)) if integrity
+            options = options.merge('integrity' => asset_integrity(source, type: :stylesheet)) if integrity
             super source, options
           }.join("\n").html_safe
         end