lsm303: Modifications to js swig file

Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Sarah Knepper <sarah.knepper@intel.com>

src/lsm303/jsupm_lsm303.i

 %module jsupm_lsm303
 %include "../upm.i"
+%include "../carrays_int16_t.i"
+
+// Adding this typemap because SWIG is converting int16 into a short by default
+// This forces SWIG to convert it correctly
+%typemap(out) int16_t* {
+	jsresult = SWIG_NewPointerObj(SWIG_as_voidptr(result), SWIGTYPE_p_int16Array, 0 |  0 );
+}
 
 %{
     #include "lsm303.h"