first commit for openGauss connect odbc code

odbc-test-gauss/connect-test.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "common.h"
+
+int main(int argc, char **argv)
+{
+	test_connect();
+	test_disconnect();
+}