fix(build): GCC warnings

src/components/logger.cpp

@@ -53,6 +53,6 @@ loglevel parse_loglevel_name(string name) {
     return loglevel::TRACE;
   else
     return loglevel::NONE;
-};
+}
 
 LEMONBUDDY_NS_END

src/utils/io.cpp

@@ -111,7 +111,7 @@ namespace io_util {
 
   void interrupt_read(int write_fd) {
     char end[1] = {'\n'};
-    ::write(write_fd, end, 1);
+    (void)::write(write_fd, end, 1);
   }
 }