Add cstdint to ies_loader

Engine/source/gfx/bitmap/loaders/ies/ies_loader.cpp

@@ -37,6 +37,7 @@
 #include "ies_loader.h"
 #include <assert.h>
 #include <algorithm>
+#include <cstdint>
 #include <functional>
 
 #include "math/mMathFn.h"

Engine/source/gfx/bitmap/loaders/ies/ies_loader.h

@@ -37,6 +37,7 @@
 #ifndef _H_IES_LOADER_H_
 #define _H_IES_LOADER_H_
 
+#include <cstdint>
 #include <vector>
 #include <string>