Fix previous commit breaking other kdrives pulling in fbdev.a

hw/kdrive/fbdev/fbdev.c

@@ -33,6 +33,8 @@
 
 extern int KdTsPhyScreen;
 
+char *fbdevDevicePath = NULL;
+
 Bool
 fbdevInitialize (KdCardInfo *card, FbdevPriv *priv)
 {

hw/kdrive/fbdev/fbinit.c

@@ -77,7 +77,7 @@ ddxProcessArgument (int argc, char **argv, int i)
   return KdProcessArgument (argc, argv, i);
 }
 
-char           *fbdevDevicePath = NULL;
+
 KdCardFuncs	fbdevFuncs = {
     fbdevCardInit,	    /* cardinit */
     fbdevScreenInit,	    /* scrinit */