use matches! macro

As per the new clippy warnings.
diff --git a/src/frame.rs b/src/frame.rs
index 1c32b51..99708ca 100644
--- a/src/frame.rs
+++ b/src/frame.rs
@@ -680,14 +680,11 @@
     }
 
     pub fn ack_eliciting(&self) -> bool {
-        match self {
-            Frame::Padding { .. } |
+        // Any other frame is ack-eliciting (note the `!`).
+        !matches!(self, Frame::Padding { .. } |
             Frame::ACK { .. } |
             Frame::ApplicationClose { .. } |
-            Frame::ConnectionClose { .. } => false,
-
-            _ => true,
-        }
+            Frame::ConnectionClose { .. })
     }
 
     #[cfg(feature = "qlog")]
diff --git a/src/lib.rs b/src/lib.rs
index b5759ad..f3a2533 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1037,13 +1037,12 @@
 
 /// Returns true if the given protocol version is supported.
 pub fn version_is_supported(version: u32) -> bool {
-    match version {
+    matches!(
+        version,
         PROTOCOL_VERSION_DRAFT27 |
-        PROTOCOL_VERSION_DRAFT28 |
-        PROTOCOL_VERSION_DRAFT29 => true,
-
-        _ => false,
-    }
+            PROTOCOL_VERSION_DRAFT28 |
+            PROTOCOL_VERSION_DRAFT29
+    )
 }
 
 /// Pushes a frame to the output packet if there is enough space.