[fusl] clang-format fusl

fusl/src/thread/pthread_setspecific.c

 #include "pthread_impl.h"
 
-int pthread_setspecific(pthread_key_t k, const void *x)
-{
-        struct pthread *self = __pthread_self();
-        /* Avoid unnecessary COW */
-        if (self->tsd[k] != x) {
-                self->tsd[k] = (void *)x;
-                self->tsd_used = 1;
-        }
-        return 0;
+int pthread_setspecific(pthread_key_t k, const void* x) {
+  struct pthread* self = __pthread_self();
+  /* Avoid unnecessary COW */
+  if (self->tsd[k] != x) {
+    self->tsd[k] = (void*)x;
+    self->tsd_used = 1;
+  }
+  return 0;
 }