ALLOC_GROW: avoid -Wsign-compare warnings

diff --git a/line-log.h b/line-log.h
index 7a5c24e2df40c09274077928574bc91349d475d1..e2a5ee7c6d077df353a20d2d55d8b4fc24642bc3 100644 (file)
--- a/line-log.h
+++ b/line-log.h
@@ -14,7 +14,7 @@ struct range {
 
 /* A set of ranges.  The ranges must always be disjoint and sorted. */
 struct range_set {
-       int alloc, nr;
+       unsigned int alloc, nr;
        struct range *ranges;
 };