x86: fix missing space in printk

Just come across this when booting on an old hw..
Looks somewhat ugly, that single missing space ;)

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 7b10933..1a3c325 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1086,8 +1086,10 @@
 #endif
 
 	if (!physid_isset(hard_smp_processor_id(), phys_cpu_present_map)) {
-		printk(KERN_WARNING "weird, boot CPU (#%d) not listed"
-				    "by the BIOS.\n", hard_smp_processor_id());
+		printk(KERN_WARNING
+			"weird, boot CPU (#%d) not listed by the BIOS.\n",
+			hard_smp_processor_id());
+
 		physid_set(hard_smp_processor_id(), phys_cpu_present_map);
 	}