Fix warnings on Win64

Mostly this meant getting pointer<->int conversions to use the right
sizes. lnat is now size_t, rather than unsigned long, as that seems a
better match for how it's used.

1 files changed, 1 insertions, 1 deletions

diff --git a/rts/hooks/StackOverflow.c b/rts/hooks/StackOverflow.c
index 4313702a84..fe8a059b7f 100644
--- a/rts/hooks/StackOverflow.c
+++ b/rts/hooks/StackOverflow.c
@@ -12,6 +12,6 @@
 void
 StackOverflowHook (lnat stack_size)    /* in bytes */
 {
-    fprintf(stderr, "Stack space overflow: current size %ld bytes.\nUse `+RTS -Ksize -RTS' to increase it.\n", stack_size);
+    fprintf(stderr, "Stack space overflow: current size %" FMT_SizeT " bytes.\nUse `+RTS -Ksize -RTS' to increase it.\n", stack_size);
 }