package/libhdhomerun: fix legal-info

Fixes
http://autobuild.buildroot.net/results/8ea/8eaa8c4027bca26d5a21da83f67358a43627f1b2/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libhdhomerun/libhdhomerun.mk

@@ -8,7 +8,7 @@ LIBHDHOMERUN_VERSION = 20161117
 LIBHDHOMERUN_SOURCE = libhdhomerun_$(LIBHDHOMERUN_VERSION).tgz
 LIBHDHOMERUN_SITE = http://download.silicondust.com/hdhomerun
 LIBHDHOMERUN_LICENSE = LGPL-2.1+
-LIBHDHOMERUN_LICENSE_FILES = lgpl.txt
+LIBHDHOMERUN_LICENSE_FILES = LICENSE
 LIBHDHOMERUN_INSTALL_STAGING = YES
 
 define LIBHDHOMERUN_BUILD_CMDS