package/clamav: Fix LICENSE_FILES after last version bump

Fixes
http://autobuild.buildroot.net/results/3a1/3a12aea6a7a3500883a6d0184da3bd8cebf50e7b/
and many others

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/clamav/clamav.mk

@@ -8,7 +8,7 @@ CLAMAV_VERSION = 0.99
 CLAMAV_SITE = http://sourceforge.net/projects/clamav/files/clamav/$(CLAMAV_VERSION)
 CLAMAV_LICENSE = GPLv2
 CLAMAV_LICENSE_FILES = COPYING COPYING.bzip2 COPYING.file COPYING.getopt \
-	COPYING.LGPL COPYING.llvm COPYING.lzma COPYING.regex COPYING.sha256 \
+	COPYING.LGPL COPYING.llvm COPYING.lzma COPYING.pcre COPYING.regex \
 	COPYING.unrar COPYING.zlib
 CLAMAV_DEPENDENCIES = \
 	host-pkgconf \