Minor cleanup.

Suggested by clippy.

src/adm/storestatics.rs

@@ -43,8 +43,10 @@ fn gzipped(data: &[u8]) -> Result<Vec<u8>, Error> {
 
 fn brcompressed(data: &[u8]) -> Result<Vec<u8>, Error> {
     let mut buf = Vec::new();
-    let mut params = BrotliEncoderParams::default();
-    params.quality = 11;
+    let params = BrotliEncoderParams {
+        quality: 11,
+        ..Default::default()
+    };
     BrotliCompress(&mut data.as_ref(), &mut buf, &params)?;
     Ok(buf)
 }

src/server/context.rs

@@ -99,7 +99,7 @@ impl GlobalContext {
             .ok_or_else(|| "User missing in jwt claims".to_string())
     }
     fn cache(&self) -> Result<PooledMemcache, Error> {
-        Ok(self.memcache_pool.get()?)
+        self.memcache_pool.get()
     }
 }
 

src/server/urlstring.rs

@@ -36,9 +36,9 @@ impl UrlString {
     }
 }
 
-impl Into<String> for UrlString {
-    fn into(self) -> String {
-        self.value
+impl From<UrlString> for String {
+    fn from(url: UrlString) -> String {
+        url.value
     }
 }