Auto merge of #1985 - dvc94ch:nlmsghdr-musl-aarch64, r=JohnTitor

Followup to #1649.

When adding `nlmsghdr` for `musl` targets the `aarch64` arch was singled out, not getting the definition. This remedies the problem so that `if-watch` compiles on `aarch64-unknown-linux-musl`.

- [0] https://github.com/dvc94ch/if-watch/issues/3

src/unix/linux_like/linux/musl/b32/arm/mod.rs

@@ -150,24 +150,6 @@ s! {
         pub f_namemax: ::c_ulong,
         __f_spare: [::c_int; 6],
     }
-
-    pub struct nlmsghdr {
-        pub nlmsg_len: u32,
-        pub nlmsg_type: u16,
-        pub nlmsg_flags: u16,
-        pub nlmsg_seq: u32,
-        pub nlmsg_pid: u32,
-    }
-
-    pub struct nlmsgerr {
-        pub error: ::c_int,
-        pub msg: nlmsghdr,
-    }
-
-    pub struct nlattr {
-        pub nla_len: u16,
-        pub nla_type: u16,
-    }
 }
 
 pub const SIGSTKSZ: ::size_t = 8192;

src/unix/linux_like/linux/musl/b32/mips/mod.rs

@@ -161,24 +161,6 @@ s! {
         pub f_namemax: ::c_ulong,
         __f_spare: [::c_int; 6],
     }
-
-    pub struct nlmsghdr {
-        pub nlmsg_len: u32,
-        pub nlmsg_type: u16,
-        pub nlmsg_flags: u16,
-        pub nlmsg_seq: u32,
-        pub nlmsg_pid: u32,
-    }
-
-    pub struct nlmsgerr {
-        pub error: ::c_int,
-        pub msg: nlmsghdr,
-    }
-
-    pub struct nlattr {
-        pub nla_len: u16,
-        pub nla_type: u16,
-    }
 }
 
 pub const SIGSTKSZ: ::size_t = 8192;

src/unix/linux_like/linux/musl/b32/x86/mod.rs

@@ -154,24 +154,6 @@ s! {
         pub f_namemax: ::c_ulong,
         __f_spare: [::c_int; 6],
     }
-
-    pub struct nlmsghdr {
-        pub nlmsg_len: u32,
-        pub nlmsg_type: u16,
-        pub nlmsg_flags: u16,
-        pub nlmsg_seq: u32,
-        pub nlmsg_pid: u32,
-    }
-
-    pub struct nlmsgerr {
-        pub error: ::c_int,
-        pub msg: nlmsghdr,
-    }
-
-    pub struct nlattr {
-        pub nla_len: u16,
-        pub nla_type: u16,
-    }
 }
 
 s_no_extra_traits! {

src/unix/linux_like/linux/musl/b64/mips64.rs

@@ -83,24 +83,6 @@ s! {
         pub f_spare: [::c_ulong; 5],
     }
 
-    pub struct nlmsghdr {
-        pub nlmsg_len: u32,
-        pub nlmsg_type: u16,
-        pub nlmsg_flags: u16,
-        pub nlmsg_seq: u32,
-        pub nlmsg_pid: u32,
-    }
-
-    pub struct nlmsgerr {
-        pub error: ::c_int,
-        pub msg: nlmsghdr,
-    }
-
-    pub struct nlattr {
-        pub nla_len: u16,
-        pub nla_type: u16,
-    }
-
     pub struct ipc_perm {
         pub __ipc_perm_key: ::key_t,
         pub uid: ::uid_t,

src/unix/linux_like/linux/musl/b64/x86_64/mod.rs

@@ -48,24 +48,6 @@ s! {
         __reserved: [::c_long; 3],
     }
 
-    pub struct nlmsghdr {
-        pub nlmsg_len: u32,
-        pub nlmsg_type: u16,
-        pub nlmsg_flags: u16,
-        pub nlmsg_seq: u32,
-        pub nlmsg_pid: u32,
-    }
-
-    pub struct nlmsgerr {
-        pub error: ::c_int,
-        pub msg: nlmsghdr,
-    }
-
-    pub struct nlattr {
-        pub nla_len: u16,
-        pub nla_type: u16,
-    }
-
     pub struct user_regs_struct {
         pub r15: ::c_ulong,
         pub r14: ::c_ulong,

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

@@ -130,6 +130,24 @@ s! {
         __dummy4: [::c_char; 16],
     }
 
+    pub struct nlmsghdr {
+        pub nlmsg_len: u32,
+        pub nlmsg_type: u16,
+        pub nlmsg_flags: u16,
+        pub nlmsg_seq: u32,
+        pub nlmsg_pid: u32,
+    }
+
+    pub struct nlmsgerr {
+        pub error: ::c_int,
+        pub msg: nlmsghdr,
+    }
+
+    pub struct nlattr {
+        pub nla_len: u16,
+        pub nla_type: u16,
+    }
+
     pub struct sigaction {
         pub sa_sigaction: ::sighandler_t,
         pub sa_mask: ::sigset_t,