add #include <stdlib.h> where needed

Original commit message from CVS:
add #include <stdlib.h> where needed

common

@@ -1 +1 @@
-Subproject commit 59ed6821982c4f5f989b1a635e34dc782d0a8e32
+Subproject commit 49b94b4d92a9621d42aa6c80bd720e2abc747fe4

examples/seeking/seek.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <glib.h>
 #include <gtk/gtk.h>
 #include <gst/gst.h>

examples/seeking/spider_seek.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <glib.h>
 #include <gtk/gtk.h>
 #include <gst/gst.h>

sys/v4l/v4l-overlay_calls.c

@@ -19,6 +19,7 @@
 
 /*#define DEBUG */
 
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>

sys/v4l/v4lmjpegsink_calls.c

@@ -19,6 +19,7 @@
 
 /*#define DEBUG */
 
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>

tests/examples/seek/seek.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <glib.h>
 #include <gtk/gtk.h>
 #include <gst/gst.h>

tests/examples/seek/spider_seek.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <glib.h>
 #include <gtk/gtk.h>
 #include <gst/gst.h>

tests/old/examples/seek/spider_seek.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <glib.h>
 #include <gtk/gtk.h>
 #include <gst/gst.h>