fix(cmake): Make specific c++lib linking optional

- Do not enforce linking against libc++
- Fix various linter warnings

include/utils/inotify.hpp

@@ -120,7 +120,7 @@ namespace inotify_util {
   inline auto make_watch(string path) {
     di::injector<inotify_watch_t> injector = di::make_injector(di::bind<>().to(path));
     return injector.create<inotify_watch_t>();
-  };
+  }
 }
 
 LEMONBUDDY_NS_END

include/utils/scope.hpp

@@ -35,7 +35,7 @@ namespace scope_util {
   template <typename Fn = function<void()>, typename... Args>
   decltype(auto) make_exit_handler(Fn&& fn, Args&&... args) {
     return make_unique<on_exit<Args...>>(forward<Fn>(fn), forward<Args>(args)...);
-  };
+  }
 }
 
 LEMONBUDDY_NS_END

include/utils/string.hpp

@@ -59,7 +59,7 @@ namespace string_util {
     for (size_t i = 0; i < haystack.length(); i++) {
       if (haystack.compare(i, needle.length(), needle) == 0) {
         replaced += replacement;
-        i += needle.length()-1;
+        i += needle.length() - 1;
       } else {
         replaced += haystack[i];
       }