Use fopen rather than fopen64 on Fuchsia

Change-Id: I8dc05cd56caf487ee6d4551116777aa78e2b0ab9
diff --git a/contrib/minizip/ioapi.c b/contrib/minizip/ioapi.c
index 7f5c191..475c300 100644
--- a/contrib/minizip/ioapi.c
+++ b/contrib/minizip/ioapi.c
@@ -14,8 +14,9 @@
         #define _CRT_SECURE_NO_WARNINGS
 #endif
 
-#if defined(__APPLE__) || defined(IOAPI_NO_64)
-// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#if defined (__Fuchsia__) || defined(__APPLE__) || defined(IOAPI_NO_64)
+// In fuchsia, 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)
 #define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)