git-whatchanged: Add usage string

diff --git a/csum-file.c b/csum-file.c
index 907efbf860152347bffe0cc999fdacad2a5f0724..c66b9eb10bfad8fee8b7b779cbb4a8e7c86480af 100644 (file)
--- a/csum-file.c
+++ b/csum-file.c
@@ -45,6 +45,7 @@ int sha1close(struct sha1file *f, unsigned char *result, int update)
                sha1flush(f, 20);
        if (close(f->fd))
                die("%s: sha1 file error on close (%s)", f->name, strerror(errno));
+       free(f);
        return 0;
 }