[SPARC64]: Mark __ex_table section correctly.

We must use the "a" (allocate) attribute every time we
emit an entry into the __ex_table section.

For consistency, use "a" instead of #alloc which is some
Solaris compat cruft GNU as provides on Sparc.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/lib/strncpy_from_user.S b/arch/sparc64/lib/strncpy_from_user.S
index e126465..b2f499f 100644
--- a/arch/sparc64/lib/strncpy_from_user.S
+++ b/arch/sparc64/lib/strncpy_from_user.S
@@ -125,7 +125,7 @@
 	 add	%o2, %o3, %o0
 	.size	__strncpy_from_user, .-__strncpy_from_user
 
-	.section __ex_table,#alloc
+	.section __ex_table,"a"
 	.align	4
 	.word	60b, __retl_efault
 	.word	61b, __retl_efault