Fix issue with --enable-sudo, broken by the versioning of programs

wscript

@@ -541,7 +541,7 @@ class SuidBuild_task(Task.TaskBase):
         super(SuidBuild_task, self).__init__(*args, **kwargs)
         self.m_display = 'build-suid'
         try:
-            program_obj = wutils.find_program(self.generator.target, self.generator.env)
+            program_obj = wutils.find_program(self.generator.name, self.generator.env)
         except ValueError, ex:
             raise WafError(str(ex))
         program_node = program_obj.path.find_or_declare(program_obj.target)