x86: switch to generic old sigaction

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0271a14..87d0917 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -118,6 +118,8 @@
 	select GENERIC_COMPAT_RT_SIGQUEUEINFO
 	select GENERIC_COMPAT_RT_SIGPENDING
 	select OLD_SIGSUSPEND3 if X86_32 || IA32_EMULATION
+	select OLD_SIGACTION if X86_32
+	select COMPAT_OLD_SIGACTION if IA32_EMULATION
 
 config INSTRUCTION_DECODER
 	def_bool y