Add missing include headers for compilation on Intel target for Google TV.

Change-Id: I9f71b5e871671d1d64ad37f78a8944653409b8e1
diff --git a/Devmapper.cpp b/Devmapper.cpp
index c9482bf..9a22a64 100644
--- a/Devmapper.cpp
+++ b/Devmapper.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <errno.h>
@@ -292,4 +293,3 @@
 
         return (void *) (((unsigned long) ptr + agn) & ~agn);
 }
-