kbuild: Fix reference to vermagic.h

It's "include/linux/vermagic.h", not "include/vermagic.h"

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 7d22056..6ba4332 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -18,7 +18,7 @@
 
 # Step 3 is used to place certain information in the module's ELF
 # section, including information such as:
-#   Version magic (see include/vermagic.h for full details)
+#   Version magic (see include/linux/vermagic.h for full details)
 #     - Kernel release
 #     - SMP is CONFIG_SMP
 #     - PREEMPT is CONFIG_PREEMPT