Appease Standard.rb

Use parentheses for ternary expressions with complex conditions.

NOTE: I didn't change these lines, but I think an update to Standard is
catching these lingering lint violations?

lib/dotenv/missing_keys.rb

@@ -3,7 +3,7 @@ class Error < StandardError; end
 
   class MissingKeys < Error # :nodoc:
     def initialize(keys)
-      key_word = "key#{keys.size > 1 ? "s" : ""}"
+      key_word = "key#{(keys.size > 1) ? "s" : ""}"
       super("Missing required configuration #{key_word}: #{keys.inspect}")
     end
   end

lib/dotenv/template.rb

@@ -20,7 +20,7 @@ def template_line(line)
       var, value = line.split("=")
       template = var.gsub(EXPORT_COMMAND, "")
       is_a_comment = var.strip[0].eql?("#")
-      value.nil? || is_a_comment ? line : "#{var}=#{template}"
+      (value.nil? || is_a_comment) ? line : "#{var}=#{template}"
     end
   end
 end