compat: Declare compat_sys_sigpending and compat_sys_sigprocmask prototypes

__ARCH_WANT_SYS_SIGPENDING or __ARCH_WANT_SYS_SIGPROGMASK may be defined
for compat support but the corresponding prototypes are missing from
linux/compat.h.

Signed-off-by: Catalin Marinas <[email protected]>
Acked-by: Andrew Morton <[email protected]>
Cc: Arnd Bergmann <[email protected]>
1 file changed