[sysprof] symbol-resolver: fix includes for close/lseek

[Christian Hergert <chergert src gnome org>]

commit b113c89af1de2f87589175795a197f6384852a78
Author: Christian Hergert <chergert redhat com>
Date:   Tue Sep 21 16:52:16 2021 -0700

    symbol-resolver: fix includes for close/lseek

 src/libsysprof/sysprof-symbol-resolver.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/libsysprof/sysprof-symbol-resolver.c b/src/libsysprof/sysprof-symbol-resolver.c
index 19e4140..3ba6166 100644
--- a/src/libsysprof/sysprof-symbol-resolver.c
+++ b/src/libsysprof/sysprof-symbol-resolver.c
@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <unistd.h>
+
 #include "sysprof-platform.h"
 #include "sysprof-symbol-resolver.h"