Address clippy warnings

Signed-off-by: Jakub Jelen <jjelen@redhat.com>

Author: Jakuje

cryptoki/src/mechanism/rsa.rs

@@ -156,7 +156,7 @@ impl<'a> PkcsOaepParams<'a> {
     /// # Arguments
     ///
     /// * `hash_alg` - The message digest algorithm used to calculate
-    ///    a digest of the encoding parameter.
+    ///   a digest of the encoding parameter.
     /// * `mgf` - The mask generation function to use on the encoded block.
     /// * `encoding_parameter` - The encoding parameter, also known as the label.
     pub fn new(

cryptoki/src/session/object_management.rs

@@ -258,7 +258,7 @@ impl Session {
     /// # Arguments
     ///
     /// * `template` - A reference to [Attribute] of search parameters that will be used
-    ///                to find objects.
+    ///   to find objects.
     ///
     /// # Returns
     ///