m68k: switch to generic old sigaction()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 1077479..a358bf6 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -20,6 +20,7 @@
 	select MODULES_USE_ELF_RELA
 	select GENERIC_SIGALTSTACK
 	select OLD_SIGSUSPEND3
+	select OLD_SIGACTION
 
 config RWSEM_GENERIC_SPINLOCK
 	bool