tests2: move into tests

tests/tests2/43_void_param.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+void fred(void)
+{
+   printf("yo\n");
+}
+
+int main()
+{
+   fred();
+
+   return 0;
+}
+
+/* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/