added an empty.cpp to pedro, required for build

diff --git a/src/pedro/empty.cpp b/src/pedro/empty.cpp
new file mode 100644 (file)
index 0000000..2f20405
--- /dev/null
+++ b/src/pedro/empty.cpp
@@ -0,0 +1 @@
+// empty file to generate a null object file; needed by some archiver tools