gmp: fix license segment md5sum boundary

Replaced incorrect "startline" with correct "beginline" for telling
where license segment in file begins. Old md5sum was calculated from
the beginning of the file, not from beginning of the license segment.

(From OE-Core rev: f9281283c993ab2af81f0316bac5fed7b49bdb83)

Signed-off-by: Marko Lindqvist <cazfi74@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/gmp/gmp_4.2.1.bb

@@ -5,7 +5,7 @@ BUGTRACKER = "http://gmplib.org/mailman/listinfo/gmp-bugs"
 LICENSE = "LGPLv2.1+"
 LIC_FILES_CHKSUM = "file://COPYING;md5=892f569a555ba9c07a568a7c0c4fa63a \
                     file://COPYING.LIB;md5=fbc093901857fcd118f065f900982c24 \
-                    file://gmp-h.in;startline=6;endline=21;md5=5e25ffd16996faba8c1cd27b04b16099"
+                    file://gmp-h.in;beginline=6;endline=21;md5=e056f74a12c3277d730dbcfb85d2ca34"
 PR = "r2"
 
 SRC_URI = "${GNU_MIRROR}/gmp/${BP}.tar.bz2 \