tools: selftests: riscv: Fix compile warnings in vector tests

GCC prints a couple of format string warnings when compiling
the vector tests. Let's follow the recommendation in
Documentation/printk-formats.txt to fix these warnings.
Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20231123185821.2272504-5-christoph.muellner@vrull.euSigned-off-by: Palmer Dabbelt <palmer@rivosinc.com>

tools/testing/selftests/riscv/vector/v_initval_nolibc.c

@@ -27,7 +27,7 @@ int main(void)
 
 	datap = malloc(MAX_VSIZE);
 	if (!datap) {
-		ksft_test_result_fail("fail to allocate memory for size = %lu\n", MAX_VSIZE);
+		ksft_test_result_fail("fail to allocate memory for size = %d\n", MAX_VSIZE);
 		exit(-1);
 	}
 

tools/testing/selftests/riscv/vector/vstate_prctl.c

@@ -68,7 +68,7 @@ int test_and_compare_child(long provided, long expected, int inherit)
 	}
 	rc = launch_test(inherit);
 	if (rc != expected) {
-		ksft_test_result_fail("Test failed, check %d != %d\n", rc,
+		ksft_test_result_fail("Test failed, check %d != %ld\n", rc,
 				      expected);
 		return -2;
 	}
@@ -87,7 +87,7 @@ int main(void)
 	pair.key = RISCV_HWPROBE_KEY_IMA_EXT_0;
 	rc = riscv_hwprobe(&pair, 1, 0, NULL, 0);
 	if (rc < 0) {
-		ksft_test_result_fail("hwprobe() failed with %d\n", rc);
+		ksft_test_result_fail("hwprobe() failed with %ld\n", rc);
 		return -1;
 	}