Fix __VA__ARGS__ typo in cris mmu.c

Fix compilation with DEBUG defined

Signed-off-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
diff --git a/target-cris/mmu.c b/target-cris/mmu.c
index 2a5ded8..d09e921 100644
--- a/target-cris/mmu.c
+++ b/target-cris/mmu.c
@@ -31,7 +31,7 @@
 
 #ifdef DEBUG
 #define D(x) x
-#define D_LOG(...) qemu_log(__VA__ARGS__)
+#define D_LOG(...) qemu_log(__VA_ARGS__)
 #else
 #define D(x)
 #define D_LOG(...) do { } while (0)