t/t7406-submodule-update.sh: use the $( ... ) construct for command substitution

diff --git a/pack-revindex.c b/pack-revindex.c
index 5c8376e9789301b921188e3bf19fba85960a7967..e542ea7703a740916f8d2cac9176674782d37f61 100644 (file)
--- a/pack-revindex.c
+++ b/pack-revindex.c
@@ -21,7 +21,7 @@ static int pack_revindex_hashsz;
 
 static int pack_revindex_ix(struct packed_git *p)
 {
-       unsigned long ui = (unsigned long)p;
+       unsigned long ui = (unsigned long)(intptr_t)p;
        int i;
 
        ui = ui ^ (ui >> 16); /* defeat structure alignment */