Add a missing #include

diff --git a/source/process.cpp b/source/process.cpp
index e198df2d10e63d6914a61b23cdb2b5f36b7b861e..48881a9b6d125c9be3e48a631c08d0bf221ad9a1 100644 (file)
--- a/source/process.cpp
+++ b/source/process.cpp
@@ -9,6 +9,7 @@ Distributed under the GPL
 #include <cstdlib>
 #include <cerrno>
 #include <cstring>
+#include <unistd.h>
 #include <sys/ptrace.h>
 #include <sys/wait.h>
 #include "process.h"