[2.28 COMMITTED] signal: Use correct type for si_band in siginfo_t [BZ #23562]

[Florian Weimer]

From: Ilya Yu. Malakhov <malakhov@mcst.ru>

(cherry picked from commit f997b4be18f7e57d757d39e42f7715db26528aa0)

2018-10-19  Ilya Yu. Malakhov  <malakhov@mcst.ru>

	[BZ #23562]
	* sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
	(struct siginfo_t): Use correct type for si_band.

diff --git a/NEWS b/NEWS
index 594cecfc75..e95a0ea159 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,7 @@ The following bugs are resolved with this release:
   [23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream
   [23521] nss_files aliases database file stream leak
   [23538] pthread_cond_broadcast: Fix waiters-after-spinning case
+  [23562] signal: Use correct type for si_band in siginfo_t
   [23578] regex: Fix memory overread in re_compile_pattern
   [23579] libc: Errors misreported in preadv2
   [23606] Missing ENDBR32 in sysdeps/i386/start.S
diff --git a/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h b/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
index 33766d1813..43c4e009a4 100644
--- a/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
+++ b/sysdeps/unix/sysv/linux/bits/types/siginfo_t.h
@@ -107,7 +107,7 @@ typedef struct
 	/* SIGPOLL.  */
 	struct
 	  {
-	    long int si_band;	/* Band event for SIGPOLL.  */
+	    __SI_BAND_TYPE si_band;	/* Band event for SIGPOLL.  */
 	    int si_fd;
 	  } _sigpoll;