package/argp-standalone: add license file

Use argp.h as the license file and, while at it, update indentation in
hash file

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit ad0e1d609be6c9fce1d85e8aeff87af63d9ce158)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/argp-standalone/argp-standalone.hash

@@ -1,2 +1,5 @@
 # Locally calculated after checking pgp signature
-sha256	dec79694da1319acd2238ce95df57f3680fea2482096e483323fddf3d818d8be  argp-standalone-1.3.tar.gz
+sha256  dec79694da1319acd2238ce95df57f3680fea2482096e483323fddf3d818d8be  argp-standalone-1.3.tar.gz
+
+# License file
+sha256  bbb8919aa520069b0234faf5e83a94052d278419ffe97ca8e843ecc9b212d1ab  argp.h

package/argp-standalone/argp-standalone.mk

@@ -8,6 +8,7 @@ ARGP_STANDALONE_VERSION = 1.3
 ARGP_STANDALONE_SITE = http://www.lysator.liu.se/~nisse/archive
 ARGP_STANDALONE_INSTALL_STAGING = YES
 ARGP_STANDALONE_LICENSE = LGPL-2.0+
+ARGP_STANDALONE_LICENSE_FILES = argp.h
 
 ARGP_STANDALONE_CONF_ENV = \
 	CFLAGS="$(TARGET_CFLAGS) -fPIC -fgnu89-inline"