specify std::round

src/gfx/render_text.hpp

@@ -13,6 +13,7 @@
 #include <tuple>
 #include <vector>
 #include <string>
+#include <cmath>
 
 #include <SFML/Graphics/Color.hpp>
 #include <SFML/Graphics/Text.hpp>
@@ -71,8 +72,8 @@ void win_draw_string(sf::RenderTarget& dest_window,rectangle dest_rect,std::stri
 break_info_t calculate_line_wrapping(rectangle dest_rect, std::string str, TextStyle style);
 size_t string_length(std::string str, const TextStyle& style, short* height = nullptr);
 inline void round_vec(sf::Vector2f& vec) {
-	vec.x = round(vec.x);
-	vec.y = round(vec.y);
+	vec.x = std::round(vec.x);
+	vec.y = std::round(vec.y);
 }
 
 #endif