FFmpegSource2: more portability

Originally committed to SVN as r2359.

FFmpegSource2/MatroskaParser.h

@@ -41,6 +41,8 @@
  * system
  */
 
+#include <stdint.h>
+
 #ifdef MPDLLBUILD
 #define	X __declspec(dllexport)
 #else

FFmpegSource2/utils.cpp

@@ -21,7 +21,12 @@
 #include "utils.h"
 #include <string.h>
 #include <errno.h>
-#include <intrin.h>
+
+#ifdef _MSC_VER
+#	include <intrin.h>
+#else
+#	include <xmmintrin.h>
+#endif
 
 int GetCPUFlags() {
 	int CPUInfo[4];