Add transparent sudo support for rules where it required

thefuck/rules/has_exists_script.py

@@ -1,11 +1,14 @@
 import os
+from thefuck.utils import sudo_support
 
 
+@sudo_support
 def match(command, settings):
     return os.path.exists(command.script.split()[0]) \
         and 'command not found' in command.stderr
 
 
+@sudo_support
 def get_new_command(command, settings):
     return u'./{}'.format(command.script)