fix lint errors

lib/liquid/tablerowloop_drop.rb

@@ -21,14 +21,14 @@ module Liquid
     #   The number of iterations.
     # @liquid_return [number]
     attr_reader :length
-    
+
     # @liquid_public_docs
     # @liquid_name tablerow.col
     # @liquid_summary
     #   The 1-based index of the current column.
     # @liquid_return [number]
     attr_reader :col
-    
+
     # @liquid_public_docs
     # @liquid_name tablerow.row
     # @liquid_summary

lib/liquid/tags/if.rb

@@ -6,7 +6,7 @@ module Liquid
   # @liquid_category conditional
   # @liquid_name if
   # @liquid_summary
-  #   Renders an expression if a specific condition is `true`. 
+  #   Renders an expression if a specific condition is `true`.
   # @liquid_syntax
   #   {% if condition %}
   #     expression

lib/liquid/tags/unless.rb

@@ -8,7 +8,7 @@ module Liquid
   # @liquid_category conditional
   # @liquid_name unless
   # @liquid_summary
-  #   Renders an expression unless a specific condition is `true`. 
+  #   Renders an expression unless a specific condition is `true`.
   # @liquid_description
   #   > Tip:
   #   > Similar to the [`if` tag](/api/liquid/tags#if), you can use `elsif` to add more conditions to an `unless` tag.