stds.h: __nonnull__ has four underscores

Compile-testing AFS_NONNULL doesn't prove anything until something
actually uses it.  Fix 342be3535499c5ecd7d34b4edd43a4655559cb28
to use the spelling that the compilers actually support.

Change-Id: I4a6b965d459a90a1832f2e813e886c15d3477962
Reviewed-on: http://gerrit.openafs.org/5198
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>

diff --git a/src/config/stds.h b/src/config/stds.h
index 53badff..cf023d2 100644 (file)
--- a/src/config/stds.h
+++ b/src/config/stds.h
@@ -296,12 +296,12 @@ hdr_static_inline(unsigned long) afs_printable_uint32_lu(afs_uint32 d) { return
 #define AFS_UNUSED __attribute__((unused))
 #define AFS_ATTRIBUTE_FORMAT(style,x,y) __attribute__((format(style, x, y)))
 #define AFS_NORETURN __attribute__((__noreturn__))
-#define AFS_NONNULL(x) __attribute__((__nonnull x))
+#define AFS_NONNULL(x) __attribute__((__nonnull__ x))
 #elif defined (__clang__)
 #define AFS_UNUSED __attribute__((unused))
 #define AFS_ATTRIBUTE_FORMAT(style,x,y) __attribute__((format(style, x, y)))
 #define AFS_NORETURN __attribute__((__noreturn__))
-#define AFS_NONNULL(x) __attribute__((__nonnull x))
+#define AFS_NONNULL(x) __attribute__((__nonnull__ x))
 #else
 #define AFS_UNUSED
 #define AFS_ATTRIBUTE_FORMAT(style,x,y)