[PATCH] run-command.c: need alloc.h for our own at-exit handler emulation

[Junio C Hamano <gitster@pobox.com>]

Recent header file shuffling missed this old user of ALLOC_GROW()
that was inside "#ifdef NO_PTHREADS' section and forgot to include
the new file, alloc.h, that defines the macro.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

---
 run-command.c | 1 +
 1 file changed, 1 insertion(+)

diff --git c/run-command.c w/run-command.c
index d4247d5fcc..1affea48af 100644
--- c/run-command.c
+++ w/run-command.c
@@ -1073,6 +1073,7 @@ static void NORETURN async_exit(int code)
 }
 
 #else
+#include <alloc.h>
 
 static struct {
 	void (**handlers)(void);