Fix warnings about unnecessary parenthesis

Author: cosmycoder

src/hc128.rs

@@ -52,7 +52,7 @@ impl Hc128 {
         }
 
         for i in 16..1280 {
-            w[i] = (f2(w[i - 2]).wrapping_add(w[i - 7]).wrapping_add(f1(w[i - 15])).wrapping_add(w[i - 16]).wrapping_add(i as u32));
+            w[i] = f2(w[i - 2]).wrapping_add(w[i - 7]).wrapping_add(f1(w[i - 15])).wrapping_add(w[i - 16]).wrapping_add(i as u32);
         }
 
         // Copy contents of w into p and q

src/poly1305.rs

@@ -83,7 +83,7 @@ impl Poly1305 {
         d2 += c as u64; c = (d2 >> 26) as u32; h2 = d2 as u32 & 0x3ffffff;
         d3 += c as u64; c = (d3 >> 26) as u32; h3 = d3 as u32 & 0x3ffffff;
         d4 += c as u64; c = (d4 >> 26) as u32; h4 = d4 as u32 & 0x3ffffff;
-        h0 += c * 5;    c = (h0 >> 26); h0 = h0 & 0x3ffffff;
+        h0 += c * 5;    c = h0 >> 26; h0 = h0 & 0x3ffffff;
         h1 += c;
 
         self.h[0] = h0;