libretro: inline definitions still required on vita (#749)

deps-wiiu/wiiu_pthread.h

@@ -30,12 +30,26 @@
 #include <malloc.h>
 #define STACKSIZE (8 * 1024)
 
+/*
+ * Current devkitPPC already provides the pthread types - uncomment code
+ * below if older toolchain:
+ *
+ *   pthread_t
+ *   pthread_mutex_t
+ *   pthread_mutexattr_t
+ *   pthread_attr_t
+ *   pthread_cond_t
+ *   pthread_condattr_t
+*/
+
+/*
 typedef OSThread* pthread_t;
 typedef OSMutex* pthread_mutex_t;
 typedef void* pthread_mutexattr_t;
 typedef int pthread_attr_t;
 typedef OSCondition* pthread_cond_t;
 typedef OSCondition* pthread_condattr_t;
+*/
 
 static INLINE int pthread_create(pthread_t *thread,
       const pthread_attr_t *attr, void *(*start_routine)(void*), void *arg)

retrodep/threaddep/thread.c

@@ -149,8 +149,7 @@ void uae_set_thread_priority (uae_thread_id *thread, int pri)
 
 #ifdef WIIU
 
-// this include is no longer needed on more recent toolchains, uncomment if you use an older one
-//#include <wiiu_pthread.h>
+#include <wiiu_pthread.h>
 #include <wiiu/os/semaphore.h>
 
 #else /* WIIU */

retrodep/threaddep/thread.h

@@ -36,8 +36,7 @@ STATIC_INLINE void uae_wait_thread (uae_thread_id tid)
 #else /* WIN32 */
 
 #ifdef WIIU
-// this include is no longer needed on more recent toolchains, uncomment if you use an older one
-//#include <wiiu_pthread.h>
+#include <wiiu_pthread.h>
 #include <wiiu/os/semaphore.h>
 
 typedef struct {