as.table.default now allows creating tables with a dim of length 0 (same works with table() so not sure why this restriction existed)

git-svn-id: https://svn.r-project.org/R/trunk@67156 00db46b3-68df-0310-9c12-caf00c1e9a41
fix callNextMethod() for .local methods when '...' is not in the .local formals

git-svn-id: https://svn.r-project.org/R/trunk@67157 00db46b3-68df-0310-9c12-caf00c1e9a41