Fix libmu_cpp compilation.

* examples/cpp/http.cc, examples/cpp/iconv.cc, examples/cpp/lsf.cc,
examples/cpp/mailcap.cc, examples/cpp/msg-send.cc, examples/cpp/sfrom.cc,
libmu_cpp/message.cc, libmu_cpp/mutil.cc, libmu_cpp/pop3.cc:
Include missing <cstdlib>.

6 files changed, 6 insertions, 0 deletions

diff --git a/examples/cpp/http.cc b/examples/cpp/http.cc
index 16b29be55..8e9031a6c 100644
--- a/examples/cpp/http.cc
+++ b/examples/cpp/http.cc
@@ -23,6 +23,7 @@
    index page */
 
 #include <iostream>
+#include <cstdlib>
 #include <mailutils/cpp/mailutils.h>
 
 using namespace std;
diff --git a/examples/cpp/iconv.cc b/examples/cpp/iconv.cc
index 04723a9ab..9e4dd8b32 100644
--- a/examples/cpp/iconv.cc
+++ b/examples/cpp/iconv.cc
@@ -19,6 +19,7 @@
 */
 
 #include <iostream>
+#include <cstdlib>
 #include <mailutils/cpp/mailutils.h>
 
 using namespace std;
diff --git a/examples/cpp/lsf.cc b/examples/cpp/lsf.cc
index 4dff682a2..d22d00f68 100644
--- a/examples/cpp/lsf.cc
+++ b/examples/cpp/lsf.cc
@@ -17,6 +17,7 @@
    MA 02110-1301 USA */
 
 #include <iostream>
+#include <cstdlib>
 #include <mailutils/cpp/mailutils.h>
 
 using namespace std;
diff --git a/examples/cpp/mailcap.cc b/examples/cpp/mailcap.cc
index 88d193504..0a00b6f23 100644
--- a/examples/cpp/mailcap.cc
+++ b/examples/cpp/mailcap.cc
@@ -19,6 +19,7 @@
 */
 
 #include <iostream>
+#include <cstdlib>
 #include <mailutils/cpp/mailutils.h>
 
 using namespace std;
diff --git a/examples/cpp/msg-send.cc b/examples/cpp/msg-send.cc
index 0d5a11329..b7ec83709 100644
--- a/examples/cpp/msg-send.cc
+++ b/examples/cpp/msg-send.cc
@@ -17,6 +17,7 @@
    MA 02110-1301 USA */
 
 #include <iostream>
+#include <cstdlib>
 #include <mailutils/cpp/mailutils.h>
 
 using namespace std;
diff --git a/examples/cpp/sfrom.cc b/examples/cpp/sfrom.cc
index d168c8347..2349f2e40 100644
--- a/examples/cpp/sfrom.cc
+++ b/examples/cpp/sfrom.cc
@@ -19,6 +19,7 @@
 */
 
 #include <iostream>
+#include <cstdlib>
 #include <mailutils/cpp/mailutils.h>
 
 using namespace std;