[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/kernel/una_asm.S b/arch/sparc64/kernel/una_asm.S
index 1f5b5b7..be183fe 100644
--- a/arch/sparc64/kernel/una_asm.S
+++ b/arch/sparc64/kernel/una_asm.S
@@ -47,7 +47,7 @@
 	 mov	0, %o0
 	.size	__do_int_store, .-__do_int_store
 
-	.section	__ex_table
+	.section	__ex_table,"a"
 	.word		4b, __retl_efault
 	.word		5b, __retl_efault
 	.word		6b, __retl_efault
@@ -129,7 +129,7 @@
 	 mov	0, %o0
 	.size	__do_int_load, .-__do_int_load
 
-	.section	__ex_table
+	.section	__ex_table,"a"
 	.word		4b, __retl_efault
 	.word		5b, __retl_efault
 	.word		6b, __retl_efault