Fix build failure from lack of <cstdint> headers

Signed-off-by: Patrick <cowinkkeydinkinc@gmail.com>

src/PommeDebug.h

@@ -4,6 +4,7 @@
 
 #include <string>
 #include <sstream>
+#include <cstdint>
 
 #define POMME_DEBUG_MEMORY		false
 #define POMME_DEBUG_SOUND		false

src/Utilities/bigendianstreams.cpp

@@ -1,5 +1,6 @@
 #include "Utilities/bigendianstreams.h"
 #include "Utilities/IEEEExtended.h"
+#include <cstdint>
 
 Pomme::StreamPosGuard::StreamPosGuard(std::istream& theStream) :
 	stream(theStream)