[PATCH] m68knommu: check DEBUG defined arch code

Don't rely on DEBUG having a value, check for it being defined.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c
index 8e2c5a8..437f8c6 100644
--- a/arch/m68knommu/kernel/signal.c
+++ b/arch/m68knommu/kernel/signal.c
@@ -608,7 +608,7 @@
 	if (regs->stkadj) {
 		struct pt_regs *tregs =
 			(struct pt_regs *)((ulong)regs + regs->stkadj);
-#if DEBUG
+#if defined(DEBUG)
 		printk(KERN_DEBUG "Performing stackadjust=%04x\n", regs->stkadj);
 #endif
 		/* This must be copied with decreasing addresses to
@@ -678,7 +678,7 @@
 	if (regs->stkadj) {
 		struct pt_regs *tregs =
 			(struct pt_regs *)((ulong)regs + regs->stkadj);
-#if DEBUG
+#if defined(DEBUG)
 		printk(KERN_DEBUG "Performing stackadjust=%04x\n", regs->stkadj);
 #endif
 		/* This must be copied with decreasing addresses to