MIPS: vpe.c: Fix null pointer dereference in print arguments.

In the printk, the variable t euqals to NULL, so there is no t->index.
Use v->tc->index instead.

[[email protected]: Use opportunity of changing this line anyway to make
this line whitespacely correct.]

Signed-off-by: Cong Ding <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/4792/
Signed-off-by: Ralf Baechle <[email protected]>

arch/mips/kernel/vpe.c

@@ -705,7 +705,7 @@ static int vpe_run(struct vpe * v)
 
 			printk(KERN_WARNING
 			       "VPE loader: TC %d is already in use.\n",
-                               t->index);
+			       v->tc->index);
 			return -ENOEXEC;
 		}
 	} else {