package/proftpd: add mod_sftp_sql

update to add mod_sftp_sql for proftpd as a build option
http://www.proftpd.org/docs/contrib/mod_sftp_sql.html

Signed-off-by: Jared Bents <jared.bents@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/proftpd/Config.in

@@ -47,6 +47,13 @@ config BR2_PACKAGE_PROFTPD_MOD_SQL_SQLITE
 
 endif
 
+config BR2_PACKAGE_PROFTPD_MOD_SFTP_SQL
+	bool "mod_sftp_sql support"
+	select BR2_PACKAGE_PROFTPD_MOD_SQL
+	select BR2_PACKAGE_PROFTPD_MOD_SFTP
+	help
+	  Compile ProFTPD with mod_sftp_sql support
+
 config BR2_PACKAGE_PROFTPD_MOD_QUOTATAB
 	bool "mod_quotatab support"
 	help

package/proftpd/proftpd.mk

@@ -60,6 +60,10 @@ PROFTPD_MODULES += mod_sql_sqlite
 PROFTPD_DEPENDENCIES += sqlite
 endif
 
+ifeq ($(BR2_PACKAGE_PROFTPD_MOD_SFTP_SQL),y)
+PROFTPD_MODULES += mod_sftp_sql
+endif
+
 ifeq ($(BR2_PACKAGE_PROFTPD_MOD_QUOTATAB),y)
 PROFTPD_MODULES += mod_quotatab
 endif