snprinf for msc ver

include/c11log/logger.h

@@ -173,13 +173,13 @@ inline c11log::logger& c11log::get_logger(const std::string& name)
 namespace c11log {
 class info_logger {
 public:
-	info_logger (c11log::logger* logger):_logger(logger) {}
-	template<class T>
-	details::line_logger& operator<<(const T& msg) {
-		return _logger->info() << msg;
-	}
+    info_logger (c11log::logger* logger):_logger(logger) {}
+    template<class T>
+    details::line_logger& operator<<(const T& msg) {
+        return _logger->info() << msg;
+    }
 
 private:
-	c11log::logger* _logger;
+    c11log::logger* _logger;
 };
 }