frv: macro whitespace fixes

While working on arch/frv/include/asm/uaccess.h, I noticed
that one macro within this header is made harder to read because it
violates a coding style rule: space is missing after comma.

Fix it up.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/arch/frv/include/asm/segment.h b/arch/frv/include/asm/segment.h
index a2320a4..4377c89 100644
--- a/arch/frv/include/asm/segment.h
+++ b/arch/frv/include/asm/segment.h
@@ -31,7 +31,7 @@
 
 #define get_ds()		(KERNEL_DS)
 #define get_fs()		(__current_thread_info->addr_limit)
-#define segment_eq(a,b)		((a).seg == (b).seg)
+#define segment_eq(a, b)	((a).seg == (b).seg)
 #define __kernel_ds_p()		segment_eq(get_fs(), KERNEL_DS)
 #define get_addr_limit()	(get_fs().seg)