Index: linux-user/syscall_defs.h
===================================================================
--- linux-user/syscall_defs.h	(revision 4118)
+++ linux-user/syscall_defs.h	(revision 4119)
@@ -1762,6 +1762,9 @@
 struct target_flock64 {
 	short  l_type;
 	short  l_whence;
+#ifdef TARGET_PPC
+    int __pad;
+#endif
 	unsigned long long l_start;
 	unsigned long long l_len;
 	int  l_pid;