Fix $(shell) on hosts with 64-bit pid_t.

* function.c: Use pid_t for shell_function_pid.
* job.c: Likewise.

Copyright-paperwork-exempt: yes

1 files changed, 2 insertions, 1 deletions

diff --git a/function.c b/function.c
index 169c3a1..269c8ac 100644
--- a/function.c
+++ b/function.c
@@ -1442,7 +1442,8 @@ fold_newlines (char *buffer, unsigned int *length, int trim_newlines)
 
 
 
-int shell_function_pid = 0, shell_function_completed;
+pid_t shell_function_pid = 0;
+int shell_function_completed;
 
 
 #ifdef WINDOWS32