sigpause: remove libc_hidden_proto/def

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

include/signal.h

@@ -184,7 +184,6 @@ libc_hidden_proto(__sigpause)
 /* Set the mask of blocked signals to MASK,
    wait for a signal to arrive, and then restore the mask.  */
 extern int sigpause (int __mask) __THROW __attribute_deprecated__;
-libc_hidden_proto(sigpause)
 # define sigpause(mask) __sigpause ((mask), 0)
 #else
 # ifdef __USE_XOPEN

libc/signal/sigpause.c

@@ -58,4 +58,3 @@ int sigpause (int mask)
 {
   return __sigpause (mask, 0);
 }
-libc_hidden_def(sigpause)

libc/sysdeps/linux/common/pause.c

@@ -14,7 +14,7 @@
 
 #ifdef __LINUXTHREADS_OLD__
 extern __typeof(pause) weak_function pause;
-strong_alias(pause,__libc_pause)
+strong_alias(pause, __libc_pause)
 #endif
 
 #ifdef __NR_pause
@@ -22,6 +22,6 @@ _syscall0(int, pause)
 #else
 int pause(void)
 {
-	return (__sigpause(sigblock(0), 0));
+	return __sigpause(sigblock(0), 0);
 }
 #endif