package/lzlib: add license file

Add lzlib.c as the license file and, while at it, update indentation to
two spaces

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/lzlib/lzlib.hash

@@ -1,2 +1,3 @@
 # Locally calculated
-sha256 cbb0cac5825e940b4ea2f31a336d2aaf6db39847d456920afd8e443804420dbb lzlib-0.4.3.tar.gz
+sha256  cbb0cac5825e940b4ea2f31a336d2aaf6db39847d456920afd8e443804420dbb  lzlib-0.4.3.tar.gz
+sha256  f817d4a37077e94e9adf379f46ba5cc0b68775d7add2bbd5b2ca68ba140ad5bb  lzlib.c

package/lzlib/lzlib.mk

@@ -8,6 +8,7 @@ LZLIB_VERSION = 0.4.3
 LZLIB_SITE = $(call github,LuaDist,lzlib,$(LZLIB_VERSION))
 LZLIB_DEPENDENCIES = lua zlib
 LZLIB_LICENSE = MIT
+LZLIB_LICENSE_FILES = lzlib.c
 LZLIB_CONF_OPTS = -DINSTALL_CMOD="/usr/lib/lua/$(LUAINTERPRETER_ABIVER)" \
 	-DINSTALL_LMOD="/usr/share/lua/$(LUAINTERPRETER_ABIVER)"