[MIPS] checkfiles: Fix "need space after that ','" errors.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/pmc-sierra/yosemite/ht.c b/arch/mips/pmc-sierra/yosemite/ht.c
index 1f7c999..6380662 100644
--- a/arch/mips/pmc-sierra/yosemite/ht.c
+++ b/arch/mips/pmc-sierra/yosemite/ht.c
@@ -115,7 +115,7 @@
 
 u32 longswap(unsigned long l)
 {
-        unsigned char b1,b2,b3,b4;
+        unsigned char b1, b2, b3, b4;
 
         b1 = l&255;
         b2 = (l>>8)&255;