Use qemu-log.h

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5413 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index 1499af78..6551b02 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -15,6 +15,7 @@
 #include "sysemu.h"
 #include "boards.h"
 #include "flash.h"
+#include "qemu-log.h"
 
 #ifdef TARGET_WORDS_BIGENDIAN
 #define BIOS_FILENAME "mips_bios.bin"
@@ -35,8 +36,6 @@
 static int serial_io[MAX_SERIAL_PORTS] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
 static int serial_irq[MAX_SERIAL_PORTS] = { 4, 3, 4, 3 };
 
-extern FILE *logfile;
-
 static PITState *pit; /* PIT i8254 */
 
 /* i8254 PIT is attached to the IRQ0 at PIC i8259 */