Fix memleak in test_dwarf & test_skyline (#18169)

test/unit/test_dwarf.c

@@ -748,6 +748,7 @@ bool test_dwarf_cpp_empty_line_info(void) { // this should work for dwarf2 aswel
 	r_list_free (line_list);
 	r_bin_dwarf_free_debug_abbrev (da);
 	r_io_free (io);
+	r_bin_free (bin);
 	mu_end;
 }
 

test/unit/test_skyline.c

@@ -17,6 +17,7 @@ bool test_r_skyline(void) {
 	mu_assert_true (r_skyline_contains (&sky, 0) && r_skyline_contains (&sky, 3),
 		"Skyline should still contain 0 to 3 after overlap");
 	mu_assert_eq ((size_t)r_skyline_get (&sky, 0), 3, "r_skyline_get should get third map");
+	r_skyline_fini (&sky);
 	mu_end;
 }