solaris strtol fix

Change-Id: I7dc04c0924088cde0cd3248ddce947ac950ff990
Signed-off-by: BenceJanosSzabo <bence.janos.szabo@ericsson.com>

compiler2/EnumItem.cc

@@ -15,6 +15,7 @@
 #include "EnumItem.hh"
 #include "Value.hh"
 #include "Int.hh"
+#include <stdlib.h>
 
 namespace Common {