Add ldeptest.

src/test.cpp

@@ -0,0 +1,14 @@
+
+#include <iostream>
+#include <zlib.h>
+
+int main(int argc, const char **argv)
+{
+	const char *prefix = " -- ";
+
+	std::cout << prefix << "Starting test" << std::endl;
+	std::cout << prefix << "zlib version: " << zlibVersion() << std::endl;
+	std::cout << prefix << "Ending test" << std::endl;
+
+	return 0;
+}