fix which to ref base

Author: mschubert

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: narray
 Title: R Package for Handling Arrays in a Consistent Manner
-Version: 0.0.4
+Version: 0.0.5
 Author: Michael Schubert <mschu.dev@gmail.com>
 Maintainer: Michael Schubert <mschu.dev@gmail.com>
 Description: Provides functions to query and manipulate arrays

R/which.r

@@ -8,7 +8,7 @@ which = function(x, drop=TRUE) {
     if (!drop)
         x = as.array(x)
 
-    re = which(x, arr.ind=TRUE)
+    re = base::which(x, arr.ind=TRUE)
     colnames(re) = names(dimnames(x))
     re
 }