[ghex] Add missing stdlib.h includes

[Kalev Lember <klember src gnome org>]

commit c3b2b333819bc2dbd3c577c470be88577edc8494
Author: Kalev Lember <kalevlember gmail com>
Date:   Thu Jul 21 12:58:51 2011 +0300

    Add missing stdlib.h includes

 src/chartable.c   |    2 ++
 src/converter.c   |    1 +
 src/ghex-window.c |    1 +
 3 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/chartable.c b/src/chartable.c
index 3232ab6..0a78c19 100644
--- a/src/chartable.c
+++ b/src/chartable.c
@@ -25,6 +25,8 @@
 #  include <config.h>
 #endif /* HAVE_CONFIG_H */
 
+#include <stdlib.h>
+
 #include <gtk/gtk.h>
 #include <gdk/gdkkeysyms.h>
 
diff --git a/src/converter.c b/src/converter.c
index e05c76c..322db58 100644
--- a/src/converter.c
+++ b/src/converter.c
@@ -28,6 +28,7 @@
 #endif /* HAVE_CONFIG_H */
 
 #include <ctype.h>      /* for isdigit */
+#include <stdlib.h>     /* for strtoul */
 #include <string.h>     /* for strncpy */
 
 #include <gdk/gdkkeysyms.h>
diff --git a/src/ghex-window.c b/src/ghex-window.c
index 8866cb9..230fb2f 100644
--- a/src/ghex-window.c
+++ b/src/ghex-window.c
@@ -19,6 +19,7 @@
 
 #include <math.h>
 #include <ctype.h>
+#include <stdlib.h>
 #include <unistd.h> /* for F_OK */
 
 #include "ghex-window.h"