Fix formatting

src/frame/settings.rs

@@ -120,7 +120,7 @@ impl Settings {
     pub fn header_table_size(&self) -> Option<u32> {
         self.header_table_size
     }
-    
+
     pub fn set_header_table_size(&mut self, size: Option<u32>) {
         self.header_table_size = size;
     }