[FREELDR][INSTALL] Update the FreeLoader installation message (reactos#7853)

Update the installfreeldr message in accordance with the changes in 3d516e7.

Author: archeYR

boot/freeldr/install/install.c

@@ -51,7 +51,7 @@ int main(int argc, char *argv[])
 
     InstallBootSector(argv[2]);
 
-    _tprintf(_T("You must now copy freeldr.sys & freeldr.ini to %s.\n"), argv[1]);
+    _tprintf(_T("You must now copy freeldr.sys, rosload.exe and freeldr.ini to %s.\n"), argv[1]);
 
     CloseVolume();