Update lzma_sdk sources to 15.14.

third_party/lzma_sdk/7zAlloc.c

 /* 7zAlloc.c -- Allocation functions
-2010-10-29 : Igor Pavlov : Public domain */
+2015-11-09 : Igor Pavlov : Public domain */
+
+#include "Precomp.h"
 
 #include "7zAlloc.h"
 
 /* #define _SZ_ALLOC_DEBUG */
 /* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
 
 #ifdef _SZ_ALLOC_DEBUG
 
 #ifdef _WIN32
 #include <windows.h>
 #endif
 
 #include <stdio.h>
 int g_allocCount = 0;
 int g_allocCountTemp = 0;
 
 #endif
 
 void *SzAlloc(void *p, size_t size)
 {
-  p = p;
+  UNUSED_VAR(p);
   if (size == 0)
     return 0;
   #ifdef _SZ_ALLOC_DEBUG
-  fprintf(stderr, "\nAlloc %10d bytes; count = %10d", size, g_allocCount);
+  fprintf(stderr, "\nAlloc %10u bytes; count = %10d", (unsigned)size, g_allocCount);
   g_allocCount++;
   #endif
   return malloc(size);
 }
 
 void SzFree(void *p, void *address)
 {
-  p = p;
+  UNUSED_VAR(p);
   #ifdef _SZ_ALLOC_DEBUG
   if (address != 0)
   {
     g_allocCount--;
     fprintf(stderr, "\nFree; count = %10d", g_allocCount);
   }
   #endif
   free(address);
 }
 
 void *SzAllocTemp(void *p, size_t size)
 {
-  p = p;
+  UNUSED_VAR(p);
   if (size == 0)
     return 0;
   #ifdef _SZ_ALLOC_DEBUG
-  fprintf(stderr, "\nAlloc_temp %10d bytes;  count = %10d", size, g_allocCountTemp);
+  fprintf(stderr, "\nAlloc_temp %10u bytes;  count = %10d", (unsigned)size, g_allocCountTemp);
   g_allocCountTemp++;
   #ifdef _WIN32
   return HeapAlloc(GetProcessHeap(), 0, size);
   #endif
   #endif
   return malloc(size);
 }
 
 void SzFreeTemp(void *p, void *address)
 {
-  p = p;
+  UNUSED_VAR(p);
   #ifdef _SZ_ALLOC_DEBUG
   if (address != 0)
   {
     g_allocCountTemp--;
     fprintf(stderr, "\nFree_temp; count = %10d", g_allocCountTemp);
   }
   #ifdef _WIN32
   HeapFree(GetProcessHeap(), 0, address);
   return;
   #endif
   #endif
   free(address);
 }