Fix typos in comments

Author: tothambrus11

Sources/CodeGen/LLVM/Transpilation.swift

@@ -1816,7 +1816,7 @@ extension SwiftyLLVM.Module {
         var x = insertGetStructElementPointer(
           of: e, typed: captures, index: i, at: insertionPoint)
 
-        // Remote captures are passed deferenced.
+        // Remote captures are passed dereferenced.
         if c.type.base is RemoteType {
           x = insertLoad(ptr, from: x, at: insertionPoint)
         }

Sources/FrontEnd/TypeChecking/ConstraintSystem.swift

@@ -222,7 +222,7 @@ struct ConstraintSystem {
       return nil
     }
 
-    // Check whether the conformance holds, either explicitly or structually.
+    // Check whether the conformance holds, either explicitly or structurally.
     if checker.conforms(goal.model, to: goal.concept, in: scope) {
       return .success
     } else {