parser: shorten condition statement

This saves 16 bytes on x86-64 (Ruby trunk r49982)

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/kcar/parser.rb b/lib/kcar/parser.rb
index 4dd59e2..64fb43b 100644
--- a/lib/kcar/parser.rb
+++ b/lib/kcar/parser.rb
@@ -19,7 +19,7 @@ class Kcar::Parser
           value.split(/\s*,+\s*/).each do |k|
             t[k] = true
           end
-        elsif false == t.empty? && key =~ /\A(#{t.keys.join('|')})\z/i
+        elsif !t.empty? && key =~ /\A(#{t.keys.join('|')})\z/i
           k = $1
           trailers.concat(value.split(/\n+/).map! { |v| [ k, v ] })
         end