libcoap: updated patches enumeration

pkg/libcoap/0001-Add-RIOT-Makefile.patch

@@ -1,7 +1,7 @@
 From b3ef68af33cb65f36666a416b71d7eb768715eca Mon Sep 17 00:00:00 2001
 From: Martine Lenders <mlenders@inf.fu-berlin.de>
 Date: Thu, 31 Oct 2013 13:36:10 +0100
-Subject: [PATCH 1/4] Add RIOT Makefile
+Subject: [PATCH 1/8] Add RIOT Makefile
 
 ---
  Makefile | 5 +++++

pkg/libcoap/0002-Add-config.h.patch

@@ -1,7 +1,7 @@
 From 8be22676f13bd7d254378e2c04119e1632ed55d7 Mon Sep 17 00:00:00 2001
 From: Martine Lenders <mlenders@inf.fu-berlin.de>
 Date: Thu, 31 Oct 2013 14:02:07 +0100
-Subject: [PATCH 2/4] Add config.h
+Subject: [PATCH 2/8] Add config.h
 
 ---
  config.h | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

pkg/libcoap/0003-Remove-two-example-programs-in-root.patch

@@ -1,7 +1,7 @@
 From e53472f0a5f15d2459bf9a9ef40d2b302bb80f8b Mon Sep 17 00:00:00 2001
 From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
 Date: Tue, 15 Jul 2014 16:57:07 +0200
-Subject: [PATCH 3/4] Remove two example programs in root
+Subject: [PATCH 3/8] Remove two example programs in root
 
 ---
  coap-observer.c | 185 -----------------------------------------------

pkg/libcoap/0004-Eliminate-some-compiler-warnings-and-errors.patch

@@ -1,7 +1,7 @@
 From 48906fde395dc05c18606ddf3abce5947ab6a1c6 Mon Sep 17 00:00:00 2001
 From: Martine Lenders <mlenders@inf.fu-berlin.de>
 Date: Wed, 19 Feb 2014 02:24:50 +0100
-Subject: [PATCH 4/4] Eliminate some compiler warnings and errors
+Subject: [PATCH 4/5] Eliminate some compiler warnings and errors
 
 ---
  address.h | 4 ++++

pkg/libcoap/0005-fix-old-style-function-declarations.patch

@@ -1,7 +1,7 @@
 From e6d36f466b2c1568cb4cfc3a3f1f9348e71db037 Mon Sep 17 00:00:00 2001
 From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
 Date: Tue, 15 Jul 2014 17:06:51 +0200
-Subject: [PATCH] fix old-style function declarations
+Subject: [PATCH 5/8] fix old-style function declarations
 
 ---
  async.c | 2 +-