Small robustification for package version check during dev cycle

inst/tinytest/test_packageversion.R

@@ -1,5 +1,5 @@
 
-##  Copyright (C) 2019 - 2022  Dirk Eddelbuettel
+##  Copyright (C) 2019 - 2024  Dirk Eddelbuettel
 ##
 ##  This file is part of Rcpp.
 ##
@@ -30,7 +30,7 @@ v <- as.integer(unlist(strsplit(pvstr, "\\.")))
 relstr <- as.character(as.package_version(paste(v[1:3], collapse=".")))
 
 ## call C++ function returning list of six values, three each for 'release' and 'dev' version
-res <- checkVersion(v)
+res <- checkVersion(v[1:min(4, length(v))])
 
 
 ## basic check: is the #defined version equal to the computed version (issue #1014)