fixed gcc shadow warnings

example/example.cpp

@@ -32,10 +32,7 @@ int main(int, char*[])
         console->error("Some error message with arg{}..", 1);
 
         // Conditional logging example
-        auto i = 2;
+        console->info_if(true, "Welcome to spdlog conditional logging!");
-        console->info_if(i < 20, "Welcome to spdlog conditional logging!");
-        console->warn_if(i != 0, "an important message");
-        console->critical_if(i != 2, "a false warning which won't show up");
 
         // Formatting examples
         console->warn("Easy padding in numbers like {:08d}", 12);

include/spdlog/sinks/ansicolor_sink.h

@@ -85,7 +85,6 @@ protected:
         if (should_do_colors_)
         {
             const std::string& prefix = colors_[msg.level];
-            const std::string& reset = colors_[level::off];
             fwrite(prefix.data(), sizeof(char), prefix.size(), target_file_);
             fwrite(msg.formatted.data(), sizeof(char), msg.formatted.size(), target_file_);
             fwrite(reset.data(), sizeof(char), reset.size(), target_file_);