Fix example client for mingw build

example-clients/midi_dump.c

@@ -4,10 +4,15 @@
 #include <string.h>
 #include <unistd.h>
 #include <assert.h>
+#include <inttypes.h>
 #include <jack/jack.h>
 #include <jack/midiport.h>
 #include <jack/ringbuffer.h>
 
+#ifdef __MINGW32__
+#include <pthread.h>
+#endif
+
 #ifndef WIN32
 #include <signal.h>
 #include <pthread.h>