civetweb: rename lua option to match naming convention

Suboptions of package foo should be prefixed with BR2_PACKAGE_FOO, not just
BR2_FOO.

Also add Config.in.legacy handling for it.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Config.in.legacy

@@ -107,6 +107,15 @@ endif
 ###############################################################################
 comment "Legacy options removed in 2015.05"
 
+config BR2_CIVETWEB_WITH_LUA
+	bool "civetweb lua option renamed"
+	select BR2_LEGACY
+	select BR2_PACKAGE_CIVETWEB_WITH_LUA
+	help
+	  civetweb's lua option has been renamed to
+	  BR2_PACKAGE_CIVETWEB_WITH_LUA to be aligned with how other
+	  packages name options.
+
 config BR2_PACKAGE_TIFF_TIFF2PDF
 	bool "tiff utility-specific option removed"
 	select BR2_LEGACY

package/civetweb/Config.in

@@ -9,7 +9,7 @@ config BR2_PACKAGE_CIVETWEB
 
 if BR2_PACKAGE_CIVETWEB
 
-config BR2_CIVETWEB_WITH_LUA
+config BR2_PACKAGE_CIVETWEB_WITH_LUA
 	bool "enable Lua support"
 	# required by the bundled Sqlite3 and Lua code
 	depends on !BR2_STATIC_LIBS

package/civetweb/civetweb.mk

@@ -15,7 +15,7 @@ CIVETWEB_LIBS = -lpthread -lm
 CIVETWEB_SYSCONFDIR = /etc
 CIVETWEB_HTMLDIR = /var/www
 
-ifeq ($(BR2_CIVETWEB_WITH_LUA),y)
+ifeq ($(BR2_PACKAGE_CIVETWEB_WITH_LUA),y)
 CIVETWEB_CONF_OPTS += WITH_LUA=1
 CIVETWEB_LIBS += -ldl
 endif