Multi-file BPF C builds (#2393)

tests/programs.rs

@@ -300,11 +300,11 @@ fn test_program_bpf_c() {
     solana_logger::setup();
 
     let programs = [
+        "multiple_static",
         "noop",
         "noop++",
         "struct_pass",
         "struct_ret",
-        "multiple_static",
     ];
     for program in programs.iter() {
         println!("Test program: {:?}", program);