Undo 2 Tcl-specific changes in zlib: those are no longer necessary

Author: jan.nijtmans

compat/zlib/contrib/minizip/ioapi.c

@@ -14,11 +14,7 @@
         #define _CRT_SECURE_NO_WARNINGS
 #endif
 
-#if defined(_WIN32)
-#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
-#define FTELLO_FUNC(stream) _ftelli64(stream)
-#define FSEEKO_FUNC(stream, offset, origin) _fseeki64(stream, offset, origin)
-#elif defined(__APPLE__) || defined(IOAPI_NO_64) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
+#if defined(__APPLE__) || defined(IOAPI_NO_64) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
 /* In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions */
 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
 #define FTELLO_FUNC(stream) ftello(stream)

compat/zlib/contrib/minizip/minizip.c

@@ -28,11 +28,7 @@
         #endif
 #endif
 
-#if defined(_WIN32)
-#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
-#define FTELLO_FUNC(stream) _ftelli64(stream)
-#define FSEEKO_FUNC(stream, offset, origin) _fseeki64(stream, offset, origin)
-#elif defined(__APPLE__) || defined(IOAPI_NO_64)
+#if defined(__APPLE__) || defined(__HAIKU__) || defined(MINIZIP_FOPEN_NO_64)
 // In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
 #define FOPEN_FUNC(filename, mode) fopen(filename, mode)
 #define FTELLO_FUNC(stream) ftello(stream)