Fix: unit test and sample program Windows build

Now that there is a wrapper for main() on Windows, all executable
programs must use a common, cannonical signature for main().

Furthermore, the Windows version of the epoch test needs wrappers
for setenv/unsetenv.

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 2 insertions, 1 deletions

diff --git a/tests/libutil/xxhash.c b/tests/libutil/xxhash.c
index 6e17097..b0b1bac 100644
--- a/tests/libutil/xxhash.c
+++ b/tests/libutil/xxhash.c
@@ -44,10 +44,11 @@ static const struct {
 	},
 };
 
-int main(void)
+int main(int argc, char **argv)
 {
 	sqfs_u32 hash;
 	size_t i;
+	(void)argc; (void)argv;
 
 	for (i = 0; i < sizeof(test_vectors) / sizeof(test_vectors[0]); ++i) {
 		hash = xxh32(test_vectors[i].plaintext, test_vectors[i].psize);