kmerclust.R: fix numeric convertion

src/bin/kmerclust.R

 library(kmerclust)
+args <- commandArgs(trailingOnly = TRUE)
 print(args)
 load(file = paste0(args[1], ".Rdata"))
-res <- compare_models(count, nboot = args[2] * 2, bootsize = nrow(count), core = as.numeric(args[2]))
+res <- compare_models(count, nboot = as.numeirc(args[2]) * 2, bootsize = nrow(count), core = as.numeric(args[2]))
 save(res, file = paste0(args[1], "_boot_", args[3], ".Rdata"))