Move require of tempfile lib to file that actually uses it.

bin/whenever

@@ -3,7 +3,6 @@
 require 'rubygems'
 require 'optparse'
 require 'fileutils'
-require 'tempfile'
 require 'whenever'
 
 options = Hash.new
@@ -27,4 +26,4 @@ OptionParser.new do |opts|
   end
 end.parse!
 
-Whenever::CommandLine.execute(options)
+Whenever::CommandLine.execute(options)

lib/whenever/command_line.rb

@@ -1,3 +1,5 @@
+require 'tempfile'
+
 module Whenever
   class CommandLine
     
@@ -105,4 +107,4 @@ module Whenever
     end
     
   end
-end
+end