Update libretro-common files

src/drivers/libretro/libretro-common/include/streams/memory_stream.h

@@ -1,4 +1,4 @@
-/* Copyright  (C) 2010-2015 The RetroArch team
+/* Copyright  (C) 2010-2017 The RetroArch team
  *
  * ---------------------------------------------------------------------------------------
  * The following license statement only applies to this file (memory_stream.h).
@@ -26,6 +26,10 @@
 #include <stdint.h>
 #include <stddef.h>
 
+#include <retro_common_api.h>
+
+RETRO_BEGIN_DECLS
+
 typedef struct memstream memstream_t;
 
 memstream_t *memstream_open(unsigned writing);
@@ -52,4 +56,6 @@ void memstream_set_buffer(uint8_t *buffer, size_t size);
 
 size_t memstream_get_last_size(void);
 
+RETRO_END_DECLS
+
 #endif