Fix code style

Author: overdrivenpotato

crates/core_arch/src/mips/mod.rs

@@ -5,8 +5,10 @@
 // fp64 support as it is sometimes implied by the target cpu, so
 // `#[cfg(target_feature = "fp64")]` will unfortunately not work. This is a
 // fairly conservative workaround that only disables MSA intrinsics for the PSP.
-#[cfg(not(target_os = "psp"))] mod msa;
-#[cfg(not(target_os = "psp"))] pub use self::msa::*;
+#[cfg(not(target_os = "psp"))]
+mod msa;
+#[cfg(not(target_os = "psp"))]
+pub use self::msa::*;
 
 #[cfg(test)]
 use stdarch_test::assert_instr;