fix compiler warning

diff --git a/SizeMe.xs b/SizeMe.xs
index 1a7a251..7650ee2 100644 (file)
--- a/SizeMe.xs
+++ b/SizeMe.xs
@@ -270,7 +270,7 @@ np_print_node_name(pTHX_ FILE *fp, npath_node_t *npath_node)
         const char *typename = (type == SVt_IV && SvROK(sv)) ? "RV" : svtypenames[type];
         fprintf(fp, "SV(%s)", typename);
         switch(type) {  /* add some useful details */
-        case SVt_PVAV: fprintf(fp, " fill=%ld/%ld", av_len((AV*)sv), AvMAX((AV*)sv)); break;
+        case SVt_PVAV: fprintf(fp, " fill=%ld/%ld", (long)av_len((AV*)sv), AvMAX((AV*)sv)); break;
         case SVt_PVHV: fprintf(fp, " fill=%ld/%ld", HvFILL((HV*)sv), HvMAX((HV*)sv)); break;
         }
         break;