package/boost: fix space tabs

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Reviewed-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/boost/Config.in

@@ -75,8 +75,8 @@ config BR2_PACKAGE_BOOST_CONTEXT
 			|| BR2_powerpc || BR2_x86_64)
 
 config BR2_PACKAGE_BOOST_COROUTINE
-        bool "boost-coroutine"
-        depends on BR2_PACKAGE_BOOST_CONTEXT
+	bool "boost-coroutine"
+	depends on BR2_PACKAGE_BOOST_CONTEXT
 
 config BR2_PACKAGE_BOOST_DATE_TIME
 	bool "boost-date_time"