kvaddr_t is now provided by <sys/types.h>

Update #3472.

freebsd/lib/libkvm/kvm.h

@@ -51,7 +51,9 @@ typedef	__ssize_t	ssize_t;
 #define	_SSIZE_T_DECLARED
 #endif
 
+#ifndef __rtems__
 typedef	uint64_t kvaddr_t;		/* An address in a target image. */
+#endif /* __rtems__ */
 
 struct kvm_nlist {
 	const char *n_name;