[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/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h
index 0caf601..34c4b43 100644
--- a/include/asm-sparc64/futex.h
+++ b/include/asm-sparc64/futex.h
@@ -20,7 +20,7 @@
 	"4:	ba	3b\n"				\
 	"	 mov	%5, %0\n"			\
 	"	.previous\n"				\
-	"	.section __ex_table,#alloc\n"		\
+	"	.section __ex_table,\"a\"\n"		\
 	"	.align	4\n"				\
 	"	.word	1b, 4b\n"			\
 	"	.word	2b, 4b\n"			\