PCI: Add missing "space" in printk messages

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 1767780..dd59a05 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -625,7 +625,7 @@
 	if ((slot->info == NULL) || (slot->ops == NULL))
 		return -EINVAL;
 	if (slot->release == NULL) {
-		dbg("Why are you trying to register a hotplug slot"
+		dbg("Why are you trying to register a hotplug slot "
 		    "without a proper release function?\n");
 		return -EINVAL;
 	}