Update lzma_sdk sources to 15.14.

third_party/lzma_sdk/Lzma2Dec.h

 /* Lzma2Dec.h -- LZMA2 Decoder
-2009-05-03 : Igor Pavlov : Public domain */
+2015-05-13 : Igor Pavlov : Public domain */
 
 #ifndef __LZMA2_DEC_H
 #define __LZMA2_DEC_H
 
 #include "LzmaDec.h"
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+EXTERN_C_BEGIN
 
 /* ---------- State Interface ---------- */
 
 typedef struct
 {
   CLzmaDec decoder;
   UInt32 packSize;
   UInt32 unpackSize;
-  int state;
+  unsigned state;
   Byte control;
   Bool needInitDic;
   Bool needInitState;
   Bool needInitProp;
 } CLzma2Dec;
 
 #define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder)
 #define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc);
 #define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc);
 
@@ skipping 39 matching lines @@
       LZMA_STATUS_NOT_FINISHED
   SZ_ERROR_DATA - Data error
   SZ_ERROR_MEM  - Memory allocation error
   SZ_ERROR_UNSUPPORTED - Unsupported properties
   SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
 */
 
 SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
     Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc);
 
-#ifdef __cplusplus
-}
-#endif
+EXTERN_C_END
 
 #endif