[PATCH] Fix overflow in jobs

[Natanael Copa]

This fixes an issue with bash hanging if user process rlimit is too
high.

To reproduce:
  ulimit -u 9223372036854775807
  bash -c 'sleep 1 & wait $!'
---
 jobs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jobs.c b/jobs.c
index fc966036..d203db27 100644
--- a/jobs.c
+++ b/jobs.c
@@ -765,7 +765,7 @@ bgp_resize ()
   else
     nsize = bgpids.nalloc;
 
-  while (nsize < js.c_childmax)
+  while (nsize < (ps_index_t)js.c_childmax)
     nsize *= 2;
 
   if (bgpids.nalloc < js.c_childmax)
-- 
2.15.0