code formatting (astyle and dos2unix)

it aims to solve the issue #467

include/spdlog/sinks/ansicolor_sink.h

@@ -42,7 +42,8 @@ public:
         _flush();
     }
 
-    void set_color(level::level_enum color_level, const std::string& color) {
+    void set_color(level::level_enum color_level, const std::string& color)
+    {
         std::lock_guard<Mutex> lock(base_sink<Mutex>::_mutex);
         colors_[color_level] = color;
     }