fixup clippy 1.85 warnings

Rust 1.85 released today and brings new lints:
https://rust-lang.github.io/rust-clippy/master/index.html#precedence

Author: baloo

rand_core/src/block.rs

@@ -197,7 +197,7 @@ impl<R: BlockRngCore<Item = u32>> RngCore for BlockRng<R> {
     fn next_u64(&mut self) -> u64 {
         let read_u64 = |results: &[u32], index| {
             let data = &results[index..=index + 1];
-            u64::from(data[1]) << 32 | u64::from(data[0])
+            (u64::from(data[1]) << 32) | u64::from(data[0])
         };
 
         let len = self.results.as_ref().len();

rand_pcg/src/pcg128.rs

@@ -234,7 +234,7 @@ impl SeedableRng for Mcg128Xsl64 {
         // Read as if a little-endian u128 value:
         let mut seed_u64 = [0u64; 2];
         le::read_u64_into(&seed, &mut seed_u64);
-        let state = u128::from(seed_u64[0]) | u128::from(seed_u64[1]) << 64;
+        let state = u128::from(seed_u64[0]) | (u128::from(seed_u64[1]) << 64);
         Mcg128Xsl64::new(state)
     }
 }