Auto merge of #370 - japaric:mips64, r=alexcrichton

mips64: define SIGSTKSZ

r? @alexcrichton
diff --git a/src/unix/notbsd/linux/mips64.rs b/src/unix/notbsd/linux/mips64.rs
index eb2fe8b..7c51dff 100644
--- a/src/unix/notbsd/linux/mips64.rs
+++ b/src/unix/notbsd/linux/mips64.rs
@@ -201,6 +201,7 @@
 pub const SA_ONSTACK: ::c_int = 0x08000000;
 pub const SA_SIGINFO: ::c_int = 0x00000008;
 pub const SIGBUS: ::c_int = 10;
+pub const SIGSTKSZ: ::size_t = 0x2000;
 pub const SIG_SETMASK: ::c_int = 3;
 pub const SOCK_DGRAM: ::c_int = 1;
 pub const SOCK_STREAM: ::c_int = 2;