libziparchive: use _FILE_OFFSET_BITS=64

On 32 bit system those calls may fail if one tries to unpack files which
are bigger than 2GB.

Use large file system support to fix this problem.

Test: unpack a file bigger than 2GB on 32 bit Android systems

Change-Id: Ibd9bd5fc4a2f8dc7df98bd595f4fd1638a4f0d4a
Signed-off-by: Christian Poetzsch <christian.potzsch@imgtec.com>
diff --git a/Android.bp b/Android.bp
index fce1378..1495f39 100644
--- a/Android.bp
+++ b/Android.bp
@@ -20,6 +20,7 @@
         "-DZLIB_CONST",
         "-Werror",
         "-Wall",
+        "-D_FILE_OFFSET_BITS=64",
     ],
     cppflags: [
         "-Wold-style-cast",