zlib: Upgrade 1.2.8 -> 1.2.11

Licence updated by removing its first line which was containing
copyright notice including year, which could change quite often.
Additional empty line was deleted, too.

(From OE-Core rev: 8b15b7bd10db83b3390827231b54aeb3452bcb6f)

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Andrej Valek <andrej.valek@siemens.com>
Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/zlib/zlib_1.2.11.bb

@@ -4,7 +4,7 @@ library which is used by many different programs."
 HOMEPAGE = "http://zlib.net/"
 SECTION = "libs"
 LICENSE = "Zlib"
-LIC_FILES_CHKSUM = "file://zlib.h;beginline=4;endline=23;md5=fde612df1e5933c428b73844a0c494fd"
+LIC_FILES_CHKSUM = "file://zlib.h;beginline=6;endline=23;md5=5377232268e952e9ef63bc555f7aa6c0"
 
 SRC_URI = "${SOURCEFORGE_MIRROR}/libpng/${BPN}/${PV}/${BPN}-${PV}.tar.xz \
            file://remove.ldconfig.call.patch \
@@ -14,8 +14,8 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/libpng/${BPN}/${PV}/${BPN}-${PV}.tar.xz \
            "
 UPSTREAM_CHECK_URI = "http://zlib.net/"
 
-SRC_URI[md5sum] = "28f1205d8dd2001f26fec1e8c2cebe37"
-SRC_URI[sha256sum] = "831df043236df8e9a7667b9e3bb37e1fcb1220a0f163b6de2626774b9590d057"
+SRC_URI[md5sum] = "85adef240c5f370b308da8c938951a68"
+SRC_URI[sha256sum] = "4ff941449631ace0d4d203e3483be9dbc9da454084111f97ea0a2114e19bf066"
 
 RDEPENDS_${PN}-ptest += "make"