[PATCH 08/10] uml: readd removed unistd.h inclusion

[Paolo 'Blaisorblade' Giarrusso]

From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>

Readd this header (deleted in 60d339f6fe0831060600c62418b71a62ad26c281). A
warning is spit out here about undeclared getpgrp().

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
---

 arch/um/os-Linux/process.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -3,6 +3,7 @@
  * Licensed under the GPL
  */
 
+#include <unistd.h>
 #include <stdio.h>
 #include <errno.h>
 #include <signal.h>

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