Merge branch 'sb/diff-delta-remove-needless-comparison'

* sb/diff-delta-remove-needless-comparison:
  create_delta_index: simplify condition always evaluating to true

diff-delta.c

@@ -155,7 +155,7 @@ struct delta_index * create_delta_index(const void *buf, unsigned long bufsize)
 		entries = 0xfffffffeU / RABIN_WINDOW;
 	}
 	hsize = entries / 4;
-	for (i = 4; (1u << i) < hsize && i < 31; i++);
+	for (i = 4; (1u << i) < hsize; i++);
 	hsize = 1 << i;
 	hmask = hsize - 1;