update libosmium to v2.6.0

third_party/libosmium/test/include/utils.hpp

@@ -1,18 +0,0 @@
-
-#include <cstdlib>
-#include <string>
-
-inline std::string with_data_dir(const char* filename) {
-    const char* data_dir = getenv("OSMIUM_TEST_DATA_DIR");
-
-    std::string result;
-    if (data_dir) {
-        result = data_dir;
-        result += '/';
-    }
-
-    result += filename;
-
-    return result;
-}
-

third_party/libosmium/test/include/win_mkstemp.hpp

@@ -1,42 +0,0 @@
-/*
- * mkstemp.c
- *
- * Provides a trivial replacement for the POSIX `mkstemp()' function,
- * suitable for use in MinGW (Win32) applications.
- *
- * This file is part of the MinGW32 package set.
- *
- * Contributed by Keith Marshall <keithmarshall@users.sourceforge.net>
- * Patched to VS2013 by alex85k
- * THIS SOFTWARE IS NOT COPYRIGHTED
- *
- * This source code is offered for use in the public domain. You may
- * use, modify or distribute it freely.
- *
- * This code is distributed in the hope that it will be useful but
- * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
- * DISCLAIMED. This includes but is not limited to warranties of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef WIN_MKSTEMP_H
-#define WIN_MKSTEMP_H
-
-#include <stdio.h>
-#include <fcntl.h>
-#include <share.h>
-
-inline int mkstemp( char *templ )
-{
-  int maxtry = 26, rtn = -1;
-
-  while( maxtry-- && (rtn < 0) )
-  {
-    char *r = _mktemp( templ );
-    if( r == NULL )
-      return -1;
-    rtn = sopen( r, O_RDWR | O_CREAT | O_EXCL | O_BINARY, SH_DENYRW, 0600 );
-  }
-  return rtn;
-}
-#endif