SkipDecryption: Fix condition

Change-Id: I3330f49214f930d481e0e237b654d44d446092bd
diff --git a/startupArgs.cpp b/startupArgs.cpp
index bf74f87..954f3f5 100755
--- a/startupArgs.cpp
+++ b/startupArgs.cpp
@@ -58,7 +58,7 @@
 				LOGERR("argument error specifying zip file\n");
 			} else {
 				std::string ORSCommand = "install " + arg;
-				SkipDecryption = arg.find("@") == 1;
+				SkipDecryption = arg.find("@") == 0;
 				if (!OpenRecoveryScript::Insert_ORS_Command(ORSCommand))
 					return false;
 			}