builtin/describe.c: rename `oid` to avoid variable shadowing

diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index f2be145e128d819da3adeaed0d0a05218fbe1411..8ec459f522522897c9ed4def4e72b4263d4c93e8 100644 (file)
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -633,7 +633,7 @@ static int find_ofs_delta(const off_t offset, enum object_type type)
        int first = 0, last = nr_ofs_deltas;
 
        while (first < last) {
-               int next = (first + last) / 2;
+               int next = first + (last - first) / 2;
                struct ofs_delta_entry *delta = &ofs_deltas[next];
                int cmp;
 
@@ -687,7 +687,7 @@ static int find_ref_delta(const unsigned char *sha1, enum object_type type)
        int first = 0, last = nr_ref_deltas;
 
        while (first < last) {
-               int next = (first + last) / 2;
+               int next = first + (last - first) / 2;
                struct ref_delta_entry *delta = &ref_deltas[next];
                int cmp;