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-rw-r--r--include/sys/wait.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sys/wait.h b/include/sys/wait.h
index 5ac9cd6ca6..39a327f6b2 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -15,5 +15,6 @@ extern __pid_t __wait3 (int *__stat_loc,
 extern __pid_t __wait4 (__pid_t __pid, int *__stat_loc,
 			int __options, struct rusage *__usage)
 			attribute_hidden;
+libc_hidden_proto (__wait4);
 #endif
 #endif