Fixed README.md and example.cpp

README.md

@@ -323,7 +323,7 @@ public:
 
     std::unique_ptr<custom_flag_formatter> clone() const override
     {
-        return spdlog::std::make_unique<my_formatter_flag>();
+        return std::make_unique<my_formatter_flag>();
     }
 };
 

example/example.cpp

@@ -29,7 +29,6 @@ void replace_default_logger_example();
 
 #include "spdlog/spdlog.h"
 #include "spdlog/cfg/env.h"  // support for loading levels from the environment variable
-#include "spdlog/fmt/ostr.h" // support for user defined types
 
 int main(int, char *[])
 {