Fix malloc_stats_print() to print correct opt.narenas value.
This regression was caused by 8f683b94a751c65af8f9fa25970ccf2917b96bb8
(Make opt_narenas unsigned rather than size_t.).
diff --git a/src/stats.c b/src/stats.c
index a724947..87b09e5 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -468,7 +468,7 @@
#define OPT_WRITE_UNSIGNED(n) \
if (je_mallctl("opt."#n, &uv, &usz, NULL, 0) == 0) { \
malloc_cprintf(write_cb, cbopaque, \
- " opt."#n": %zu\n", sv); \
+ " opt."#n": %u\n", uv); \
}
#define OPT_WRITE_SIZE_T(n) \
if (je_mallctl("opt."#n, &sv, &ssz, NULL, 0) == 0) { \