ignore various VC++ turds
diff --git a/PC/example_nt/.cvsignore b/PC/example_nt/.cvsignore
new file mode 100644
index 0000000..57a1dbf
--- /dev/null
+++ b/PC/example_nt/.cvsignore
@@ -0,0 +1,5 @@
+? example.ncb
+? release
+? debug
+? .c
+? example.mdp