[CELT-dev] Small mistake in celt_types.h for MacOS X

[John Ridges]

  Hi JM,

When porting my project to the Mac, I found that the definition for 
"celt_int16" and "celt_uint16" are wrong for the MacOS X Framework in 
celt_types.h, and need to be changed to "int16_t" and "u_int16_t" 
respectively. Just thought you ought to know.

John Ridges