fix(build): Move chrono namespace to correct level

Ref #176

include/modules/meta/base.hpp

@@ -16,6 +16,9 @@
 
 POLYBAR_NS
 
+namespace chrono = std::chrono;
+using namespace std::chrono_literals;
+
 #define DEFAULT_FORMAT "format"
 
 #define DEFINE_MODULE(name, type) struct name : public type<name>
@@ -44,8 +47,6 @@ class builder;
 // }}}
 
 namespace modules {
-  namespace chrono = std::chrono;
-  using namespace std::chrono_literals;
   using namespace drawtypes;
 
   DEFINE_ERROR(module_error);

src/utils/env.cpp

@@ -7,12 +7,12 @@ POLYBAR_NS
 namespace env_util {
   bool has(const char* var) {
     return std::getenv(var) != nullptr;
-  };
+  }
 
   string get(const char* var, string fallback) {
     const char* value{std::getenv(var)};
     return value != nullptr ? value : fallback;
-  };
+  }
 }
 
 POLYBAR_NS_END