nouveau: fix compile error with -DDEBUG on newer gcc

Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

diff --git a/nouveau/private.h b/nouveau/private.h
index 83060f9..034a958 100644 (file)
--- a/nouveau/private.h
+++ b/nouveau/private.h
@@ -10,7 +10,7 @@
 #include "nouveau.h"
 
 #ifdef DEBUG
-drm_private uint32_t nouveau_debug;
+drm_private extern uint32_t nouveau_debug;
 #define dbg_on(lvl) (nouveau_debug & (1 << lvl))
 #define dbg(lvl, fmt, args...) do {                                            \
        if (dbg_on((lvl)))                                                     \