Fix cscope filelist by removing leading ./

(Ryan Harper, Laurent Desnogues)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5389 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/Makefile b/Makefile
index d57f791..35061a4 100644
--- a/Makefile
+++ b/Makefile
@@ -261,7 +261,7 @@
 
 cscope:
 	rm -f ./cscope.*
-	find . -name "*.[ch]" -print > ./cscope.files
+	find . -name "*.[ch]" -print | sed 's,^\./,,' > ./cscope.files
 	cscope -b
 
 # documentation