cleanup mmap fake. No need to output anything, callers handle the return value

Signed-off-by: Alex Riesen <fork0@gmail.com>

---

 compat/mmap.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

311da12b7aaca9b7329a07807e1ce4afba4bff77
diff --git a/compat/mmap.c b/compat/mmap.c
index 55cb120..32d7a30 100644
--- a/compat/mmap.c
+++ b/compat/mmap.c
@@ -8,15 +8,17 @@ void *gitfakemmap(void *start, size_t le
 {
 	int n = 0;
 
-	if (start != NULL || !(flags & MAP_PRIVATE))
-		die("Invalid usage of gitfakemmap.");
+	if (start != NULL || !(flags & MAP_PRIVATE)) {
+		errno = ENOTSUP;
+		return MAP_FAILED;
+	}
 
 	if (lseek(fd, offset, SEEK_SET) < 0) {
 		errno = EINVAL;
 		return MAP_FAILED;
 	}
 
-	start = xmalloc(length);
+	start = malloc(length);
 	if (start == NULL) {
 		errno = ENOMEM;
 		return MAP_FAILED;
-- 
0.99.9.GIT