uclibc/mips: fixed SA_* mismatched types

Signed-off-by: Xiaobo Liu <[email protected]>

(backport <rust-lang#3211>)
(cherry picked from commit e8f54bb)

Author: cppcoffee

src/unix/linux_like/linux/uclibc/mips/mod.rs

@@ -23,10 +23,10 @@ pub const ECOMM: ::c_int = 70;
 pub const EPROTO: ::c_int = 71;
 pub const EDOTDOT: ::c_int = 73;
 
-pub const SA_NODEFER: ::c_int = 0x40000000;
-pub const SA_RESETHAND: ::c_int = 0x80000000;
-pub const SA_RESTART: ::c_int = 0x10000000;
-pub const SA_NOCLDSTOP: ::c_int = 0x00000001;
+pub const SA_NODEFER: ::c_uint = 0x40000000;
+pub const SA_RESETHAND: ::c_uint = 0x80000000;
+pub const SA_RESTART: ::c_uint = 0x10000000;
+pub const SA_NOCLDSTOP: ::c_uint = 0x00000001;
 
 pub const EPOLL_CLOEXEC: ::c_int = 0x80000;