mn10300: switch to generic old sigaction()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index f157035..12bf06f 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -12,6 +12,7 @@
 	select MODULES_USE_ELF_RELA
 	select GENERIC_SIGALTSTACK
 	select OLD_SIGSUSPEND3
+	select OLD_SIGACTION
 
 config AM33_2
 	def_bool n