main.c: Fix missing O_TRUNC

Otherwise, uploaded files meant to overwrite an existing file would not
be updated accordingly if their newer size was smaller.

1 files changed, 1 insertions, 1 deletions

diff --git a/main.c b/main.c
index 9bdfc58..19590ad 100644
--- a/main.c
+++ b/main.c
@@ -1081,7 +1081,7 @@ static int move_file(const char *const old, const char *const new)
 {
     int ret = -1;
     const int fd_old = open(old, O_RDONLY),
-        fd_new = open(new, O_WRONLY | O_CREAT, 0600);
+        fd_new = open(new, O_WRONLY | O_TRUNC | O_CREAT, 0600);
     struct stat sb;
 
     if (fd_old < 0)