remove unneeded hidden sigwaitinfo

use __sigwaitinfo in sigwait.c, since that is already hidden

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

include/signal.h

@@ -334,7 +334,6 @@ extern int sigwaitinfo (__const sigset_t *__restrict __set,
 #ifdef _LIBC
 extern __typeof(sigwaitinfo) __sigwaitinfo attribute_hidden;
 #endif
-libc_hidden_proto(sigwaitinfo)
 
 /* Select any of pending signals from SET and place information in INFO.
    Wait the time specified by TIMEOUT if no signal is pending.

libc/signal/sigwait.c

@@ -96,7 +96,7 @@ int sigwait (const sigset_t *set, int *sig)
 int sigwait (const sigset_t *set, int *sig)
 {
 	int ret = 1;
-	if ((ret = sigwaitinfo(set, NULL)) != -1) {
+	if ((ret = __sigwaitinfo(set, NULL)) != -1) {
 		*sig = ret;
 		return 0;
 	}

libc/sysdeps/linux/common/__rt_sigwaitinfo.c

@@ -75,15 +75,13 @@ int __sigwaitinfo(const sigset_t *set, siginfo_t *info)
 #  include <stddef.h>
 #  define __NR___rt_sigwaitinfo __NR_rt_sigtimedwait
 static _syscall4(int, __rt_sigwaitinfo, const sigset_t *, set,
-				 siginfo_t *, info, const struct timespec *, timeout,
+		 siginfo_t *, info, const struct timespec *, timeout,
-				 size_t, setsize);
+		 size_t, setsize);
 
-int attribute_hidden __sigwaitinfo(const sigset_t * set, siginfo_t * info)
+int __sigwaitinfo(const sigset_t * set, siginfo_t * info)
 {
 	return __rt_sigwaitinfo(set, info, NULL, _NSIG / 8);
 }
 # endif
-libc_hidden_proto(sigwaitinfo)
 weak_alias (__sigwaitinfo, sigwaitinfo)
-libc_hidden_weak(sigwaitinfo)
 #endif