Fixed gcc 4.3 compile issues

contrib/ldapc++/examples/urlTest.cpp

 #include <LDAPUrl.h>
 #include <LDAPException.h>
+#include <cstdlib>
 #include <iostream>
 
 int main(int argc, char *argv[]) {

contrib/ldapc++/src/LDAPAttribute.cpp

 /*
- * Copyright 2000, OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2007, OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -12,7 +12,7 @@
 
 
 #include <ldap.h> 
-//#include <ctype.h>
+#include <cstdlib>
 
 #include "debug.h"
 #include "StringList.h"

contrib/ldapc++/src/LDAPAttributeList.cpp

 /*
- * Copyright 2000-2002, OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2007, OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -13,6 +13,8 @@
 #include "LDAPAsynConnection.h"
 #include "LDAPMessage.h"
 
+#include <cstdlib>
+
 using namespace std;
 
 // little helper function for doing case insensitve string comparison

contrib/ldapc++/src/LDAPBindRequest.cpp

 /*
- * Copyright 2000, OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2007, OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -10,6 +10,8 @@
 #include "LDAPBindRequest.h"
 #include "LDAPException.h"
 
+#include <cstdlib>
+
 using namespace std;
 
 LDAPBindRequest::LDAPBindRequest(const LDAPBindRequest& req) :

contrib/ldapc++/src/LDAPExtRequest.cpp

 /*
- * Copyright 2000, OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2007, OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -12,6 +12,8 @@
 #include "LDAPException.h"
 #include "LDAPResult.h"
 
+#include <cstdlib>
+
 using namespace std;
 
 LDAPExtRequest::LDAPExtRequest(const LDAPExtRequest& req) :

contrib/ldapc++/src/LDAPModList.cpp

 /*
- * Copyright 2000, OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2007, OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -7,6 +7,8 @@
 #include "LDAPModList.h"
 #include "debug.h"
 
+#include <cstdlib>
+
 using namespace std;
 
 LDAPModList::LDAPModList(){

contrib/ldapc++/src/LDAPResult.cpp

 /*
- * Copyright 2000, OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2007, OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
@@ -10,6 +10,8 @@
 #include "LDAPRequest.h"
 #include "LDAPException.h"
 
+#include <cstdlib>
+
 using namespace std;
 
 LDAPResult::LDAPResult(const LDAPRequest *req, LDAPMessage *msg) : 

contrib/ldapc++/src/StringList.cpp

 /*
- * Copyright 2000, OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2000-2007, OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
 #include "StringList.h"
 #include "debug.h"
 
+#include <cstdlib>
+
 using namespace std;
 
 StringList::StringList(){