Simplify command-line opts API.

Author: maleadt

src/support.jl

@@ -2,6 +2,5 @@
 
 function clopts(opts...)
     args = ["", opts...]
-    LLVM.API.LLVMParseCommandLineOptions(Int32(length(args)),
-        [Base.unsafe_convert(Cstring, arg) for arg in args], C_NULL)
+    API.LLVMParseCommandLineOptions(length(args), args, C_NULL)
 end