[gcr] build: Fix warnings by including necessary headers

[Stefan Walter <stefw src gnome org>]

commit b9253e1d05776ce561a4dc83289bf887eee1e390
Author: Stef Walter <stefw gnome org>
Date:   Tue Dec 4 13:57:22 2012 +0100

    build: Fix warnings by including necessary headers

 gck/gck-debug.c                 |    4 ++++
 gcr/gcr-gnupg-process.c         |    1 +
 gcr/tests/console-interaction.c |    2 ++
 3 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/gck/gck-debug.c b/gck/gck-debug.c
index 7bd3c61..0ad5b05 100644
--- a/gck/gck-debug.c
+++ b/gck/gck-debug.c
@@ -29,6 +29,10 @@
 
 #include <p11-kit/pkcs11.h>
 
+#include <sys/types.h>
+
+#include <unistd.h>
+
 #ifdef WITH_DEBUG
 
 static gsize initialized_flags = 0;
diff --git a/gcr/gcr-gnupg-process.c b/gcr/gcr-gnupg-process.c
index fc37171..4677b46 100644
--- a/gcr/gcr-gnupg-process.c
+++ b/gcr/gcr-gnupg-process.c
@@ -35,6 +35,7 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <string.h>
+#include <unistd.h>
 
 /**
  * GcrGnupgProcessFlags:
diff --git a/gcr/tests/console-interaction.c b/gcr/tests/console-interaction.c
index 6d75207..c642798 100644
--- a/gcr/tests/console-interaction.c
+++ b/gcr/tests/console-interaction.c
@@ -32,6 +32,8 @@
 
 #include "console-interaction.h"
 
+#include <unistd.h>
+
 /*
  * WARNING: This is not the example you're looking for [slow hand wave]. This
  * is not industrial strength, it's just for testing. It uses embarassing