Add struct ucred for Linux on MIPS

Author: Bryant Mairs

src/unix/notbsd/linux/mod.rs

@@ -448,6 +448,12 @@ s! {
         pub p_memsz: Elf64_Xword,
         pub p_align: Elf64_Xword,
     }
+
+    pub struct ucred {
+        pub pid: ::pid_t,
+        pub uid: ::uid_t,
+        pub gid: ::gid_t,
+    }
 }
 
 pub const ABDAY_1: ::nl_item = 0x20000;

src/unix/notbsd/linux/musl/mod.rs

@@ -75,12 +75,6 @@ s! {
         pub mem_unit: ::c_uint,
         pub __reserved: [::c_char; 256],
     }
-
-    pub struct ucred {
-        pub pid: ::pid_t,
-        pub uid: ::uid_t,
-        pub gid: ::gid_t,
-    }
 }
 
 pub const SFD_CLOEXEC: ::c_int = 0x080000;

src/unix/notbsd/linux/other/mod.rs

@@ -104,12 +104,6 @@ s! {
         __unused5: *mut ::c_void,
     }
 
-    pub struct ucred {
-        pub pid: ::pid_t,
-        pub uid: ::uid_t,
-        pub gid: ::gid_t,
-    }
-
     pub struct statfs {
         pub f_type: __fsword_t,
         pub f_bsize: __fsword_t,

src/unix/notbsd/linux/s390x.rs

@@ -221,12 +221,6 @@ s! {
         __unused5: *mut ::c_void,
     }
 
-    pub struct ucred {
-        pub pid: ::pid_t,
-        pub uid: ::uid_t,
-        pub gid: ::gid_t,
-    }
-
     pub struct flock {
         pub l_type: ::c_short,
         pub l_whence: ::c_short,