(svn r15630) -Fix (r15027): Make sure OpenTTD loads the dummy AI script when no other AI is available instead of a non-existing file.

src/ai/ai_scanner.cpp

@@ -162,6 +162,7 @@ AIScanner::AIScanner() :
 
 	/* Create the dummy AI */
 	this->engine->ResetCrashed();
+	strcpy(this->main_script, "%_dummy");
 	extern void AI_CreateAIInfoDummy(HSQUIRRELVM vm);
 	AI_CreateAIInfoDummy(this->engine->GetVM());
 }