Move down c_long and c_ulong of linux/other/b64 to accommodate x32

src/unix/notbsd/linux/other/b64/aarch64.rs

 //! AArch64-specific definitions for 64-bit linux-like values
 
+pub type c_long = i64;
+pub type c_ulong = u64;
 pub type c_char = u8;
 pub type wchar_t = u32;
 pub type nlink_t = u32;

src/unix/notbsd/linux/other/b64/mod.rs

 //! 64-bit specific definitions for linux-like values
 
-cfg_if! {
-    if #[cfg(target_pointer_width = "32")] {
-        pub type c_long = i32;
-        pub type c_ulong = u32;
-    } else {
-        pub type c_long = i64;
-        pub type c_ulong = u64;
-    }
-}
-
 pub type clock_t = i64;
 pub type time_t = i64;
 pub type ino_t = u64;
@@ -74,7 +64,8 @@ cfg_if! {
         pub use self::x86_64::*;
         cfg_if! {
             if #[cfg(target_pointer_width = "32")] {
-                // x32
+                mod x32;
+                pub use self::x32::*;
             } else {
                 mod not_x32;
                 pub use self::not_x32::*;

src/unix/notbsd/linux/other/b64/not_x32.rs

+pub type c_long = i64;
+pub type c_ulong = u64;
+
 pub const SYS_uselib: ::c_long = 134;
 pub const SYS__sysctl: ::c_long = 156;
 pub const SYS_create_module: ::c_long = 174;

src/unix/notbsd/linux/other/b64/powerpc64.rs

 //! PowerPC64-specific definitions for 64-bit linux-like values
 
+pub type c_long = i64;
+pub type c_ulong = u64;
 pub type c_char = u8;
 pub type wchar_t = i32;
 pub type nlink_t = u64;

src/unix/notbsd/linux/other/b64/sparc64.rs

 //! SPARC64-specific definitions for 64-bit linux-like values
 
+pub type c_long = i64;
+pub type c_ulong = u64;
 pub type c_char = i8;
 pub type wchar_t = i32;
 pub type nlink_t = u32;

src/unix/notbsd/linux/other/b64/x32.rs

+pub type c_long = i32;
+pub type c_ulong = u32;