libiscsi: comma separate licenses

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libiscsi/libiscsi.mk

@@ -6,7 +6,7 @@
 
 LIBISCSI_VERSION = 1.15.0
 LIBISCSI_SITE = https://sites.google.com/site/libiscsitarballs/libiscsitarballs
-LIBISCSI_LICENSE = GPLv2+ LGPLv2.1+
+LIBISCSI_LICENSE = GPLv2+, LGPLv2.1+
 LIBISCSI_LICENSE_FILES = COPYING LICENCE-GPL-2.txt LICENCE-LGPL-2.1.txt
 LIBISCSI_INSTALL_STAGING = YES