[SILOptimizer] Fix typo in KeyPathProjector.h

addres -> address

Author: Ikko Eltociear Ashimine

include/swift/SILOptimizer/Utils/KeyPathProjector.h

@@ -64,7 +64,7 @@ class KeyPathProjector {
   /// \param accessType The access type of the projected address.
   /// \param callback A callback to invoke with the projected address.
   ///     The projected address is only valid from within \p callback.
-  ///     If accessType is Get or Modify, the projected addres is an
+  ///     If accessType is Get or Modify, the projected address is an
   ///     initialized address type. If accessType is set, the projected
   ///     address points to uninitialized memory.
   virtual void project(AccessType accessType,