LIBMINIZIP: Compatible with Windows platform long size (#463)

Patch with the description of "On Windows platforms, long is always 4 bytes, which causes truncation of 64-bit pointers." However, unsigned long int is also 4 bytes.

Author: AiXanadu

libraries/libminizip/ioapi_mem.c

@@ -93,8 +93,8 @@ voidpf ZCALLBACK fopen_mem_func (opaque, filename, mode)
      * architectures
      */
 
-    unsigned long int p=0;
-    if (sscanf(filename,"%lx+%lx",&p,&mem->size)!=2) {
+    size_t p=0;
+    if (sscanf(filename,"%zx+%lx",&p,&mem->size)!=2) {
       printf("sscanf failed\n");
       return NULL;
     }

libraries/libminizip/minizip.c

@@ -74,7 +74,7 @@ int minizip_unpack_to_disk(char *path, void *ptr, int len)
   zlib_filefunc_def pzlib_filefunc_def;
   fill_memory_filefunc(&pzlib_filefunc_def);
   char memname[128];
-  sprintf(memname,"%lx+%lx", (unsigned long)ptr, (unsigned long)len);
+  sprintf(memname,"%zx+%lx", (size_t)ptr, (unsigned long)len);
   unzFile hFile = unzOpen2(memname,&pzlib_filefunc_def);
 
   // get info  
@@ -148,7 +148,7 @@ void *minizip_unpack_to_memory(void *ptr, int len, int *unpack_len)
   zlib_filefunc_def pzlib_filefunc_def;
   fill_memory_filefunc(&pzlib_filefunc_def);
   char memname[128];
-  sprintf(memname,"%lx+%lx", (unsigned long)ptr, (unsigned long)len);
+  sprintf(memname,"%zx+%lx", (size_t)ptr, (unsigned long)len);
   unzFile hFile = unzOpen2(memname,&pzlib_filefunc_def);
   if (unzGoToFirstFile(hFile) != UNZ_OK) goto unpack_to_mem_fail;
   if (unzOpenCurrentFile(hFile) != UNZ_OK) goto unpack_to_mem_fail;