Merge #232: fix typos in gf32_ext.rs comments

901c7eb Update gf32_ext.rs (viktorking7)

Pull request description:

  ```markdown
  
  This PR corrects spelling errors in two comments within `src/primitives/gf32_ext.rs`:
  
  - Fixed "muliplication" → "multiplication" in comment about naive n² multiplication
  - Fixed "mulitplications" → "multiplications" in `impl Field for Fe32768` comment
  
  ```


ACKs for top commit:
  apoelstra:
    ACK 901c7eb; successfully ran local tests


Tree-SHA512: 1ee5133166da227b8fd914b27d6ff5dcb59a75f8d8041b1171c7387e0ce7a14775afae8e2406b63c9ec3684804a83295a62654df464939b31eef0139d2aaa9eb

Author: apoelstra

src/primitives/gf32_ext.rs

@@ -108,7 +108,7 @@ where
         }
     }
 
-    // We just use naive n^2 muliplication because this is easy to write in
+    // We just use naive n^2 multiplication because this is easy to write in
     // generic code, and because our GF32 implementation makes multiplication
     // (almost) as cheap as addition.
     //
@@ -269,7 +269,7 @@ impl Field for Fe32768 {
         // Unlike in the GF1024 case we don't bother being generic over
         // arbitrary values of POLYNOMIAL, since doing so means a ton
         // of extra work for everybody (me, the reviewer, and the CPU
-        // that has to do a bunch of mulitplications by values that
+        // that has to do a bunch of multiplications by values that
         // turn out to always be 0).
         debug_assert_eq!(Self::POLYNOMIAL, Self::new([Fe32::P, Fe32::P, Fe32::Q]));
         // Aliases to make the below equations easier to read