Update date in copyright line
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index e555bdb..4ae3994 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -1,7 +1,7 @@
/*
* Certificate reading application
*
- * Copyright (C) 2006-2013, ARM Limited, All Rights Reserved
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index 9ea08bd..0716466 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -1,7 +1,7 @@
/*
* Certificate request generation
*
- * Copyright (C) 2006-2011, ARM Limited, All Rights Reserved
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index 8c4e6da..1d287d8 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -1,7 +1,7 @@
/*
* Certificate generation and signing
*
- * Copyright (C) 2006-2013, ARM Limited, All Rights Reserved
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*
diff --git a/programs/x509/crl_app.c b/programs/x509/crl_app.c
index 5bcd54a..20a61ba 100644
--- a/programs/x509/crl_app.c
+++ b/programs/x509/crl_app.c
@@ -1,7 +1,7 @@
/*
* CRL reading application
*
- * Copyright (C) 2006-2013, ARM Limited, All Rights Reserved
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*
diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
index a3cd329..5a6f879 100644
--- a/programs/x509/req_app.c
+++ b/programs/x509/req_app.c
@@ -1,7 +1,7 @@
/*
* Certificate request reading application
*
- * Copyright (C) 2006-2013, ARM Limited, All Rights Reserved
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
*
* This file is part of mbed TLS (https://tls.mbed.org)
*