Use <stdint.h> instead of <cstdint>.

This is because <cstdint> is not guaranteed to expose C99 types to the
global namespace, and we don’t want to go through the hassle of using
each of them one by one.

include/lol/math/real.h

@@ -19,10 +19,10 @@
 
 #include "../base/private/features.h"
 
-#include <limits>  // std::numeric_limits
-#include <vector>  // std::vector
-#include <string>  // std::string
-#include <cstdint> // int64_t etc.
+#include <limits>   // std::numeric_limits
+#include <vector>   // std::vector
+#include <string>   // std::string
+#include <stdint.h> // int64_t etc.
 
 #if _MSC_VER
 #   pragma push_macro("min")

legacy/lol/math/bigint.h

@@ -1,7 +1,7 @@
 //
 //  Lol Engine
 //
-//  Copyright © 2010—2015 Sam Hocevar <sam@hocevar.net>
+//  Copyright © 2010—2020 Sam Hocevar <sam@hocevar.net>
 //
 //  Lol Engine is free software. It comes without any warranty, to
 //  the extent permitted by applicable law. You can redistribute it
@@ -20,7 +20,7 @@
 #include <lol/base/types.h>
 
 #include <array>
-#include <cstdint>
+#include <stdint.h>
 
 namespace lol
 {

legacy/lol/math/geometry.h

@@ -1,7 +1,7 @@
 //
 //  Lol Engine
 //
-//  Copyright © 2010—2018 Sam Hocevar <sam@hocevar.net>
+//  Copyright © 2010—2020 Sam Hocevar <sam@hocevar.net>
 //            © 2010—2015 Benjamin “Touky” Huet <huet.benjamin@gmail.com>
 //
 //  Lol Engine is free software. It comes without any warranty, to
@@ -24,7 +24,7 @@
 #include <map>
 #include <cmath>
 #include <cstdio>
-#include <cstdint>
+#include <stdint.h>
 
 namespace lol
 {