diff -r 1a9e6a5c1e79 -r ba54fc8abdf1 dav/sync.c
--- a/dav/sync.c	Tue Apr 09 18:19:52 2019 +0200
+++ b/dav/sync.c	Tue Apr 09 18:23:23 2019 +0200
@@ -1280,6 +1280,8 @@
     ucx_stream_copy(in, out, (read_func)fread, (write_func)fwrite);
     fclose(in);
     fclose(out);
+    
+    return 0;
 }
 
 typedef int (*renamefunc)(const char*,const char*);