Test endianness on Windows

Author: nalimilan

test/runtests.jl

@@ -1,6 +1,10 @@
 using Base.Test
 using iconv
 
+@show encode("café", "UTF-16")
+@show encode("café", "UTF-16LE")
+@show encode("café", "UTF-16BE")
+
 for s in ("", "\0", "a", "café crème",
           "a"^(iconv.BUFSIZE-1) * "€ with an incomplete codepoint between two input buffer fills",
           "a string € チャネルパートナーの選択",