Update version.h and include/features.h for 2.22 release

ChangeLog

+2015-08-05  Carlos O'Donell  <carlos@systemhalted.org>
+
+	* version.h (RELEASE): Set to "stable".
+	(VERSION): Set to "2.22"
+	* include/features.h (__GLIBC_MINOR__): Set to 22.
+
 2015-08-04  Chris Metcalf  <cmetcalf@ezchip.com>
 
 	* sysdeps/tile/tilepro/bits/atomic.h (__atomic_update):

include/features.h

@@ -354,7 +354,7 @@
 /* Major and minor version number of the GNU C library package.  Use
    these macros to test for features in specific releases.  */
 #define	__GLIBC__	2
-#define	__GLIBC_MINOR__	21
+#define	__GLIBC_MINOR__	22
 
 #define __GLIBC_PREREQ(maj, min) \
 	((__GLIBC__ << 16) + __GLIBC_MINOR__ >= ((maj) << 16) + (min))

version.h

 /* This file just defines the current version number of libc.  */
 
-#define RELEASE "development"
-#define VERSION "2.21.90"
+#define RELEASE "stable"
+#define VERSION "2.22"