tests: workaround name conflict, causing false positives with msvc on windows, when both tests were executed at the same time (locked executable)

examples/dynamic_library_loading/use_dl_module.v

@@ -0,0 +1,19 @@
+module main
+
+// Note: This program, requires that the shared library was already compiled.
+// To do so, run `v -d no_backtrace -o library -shared modules/library/library.v`
+// before running this program.
+import os
+import dl
+
+type FNAdder = fn (int, int) int
+
+fn main() {
+	library_file_path := os.join_path(os.dir(@FILE), dl.get_libname('library'))
+	handle := dl.open_opt(library_file_path, dl.rtld_lazy)!
+	eprintln('handle: ${ptr_str(handle)}')
+	f := FNAdder(dl.sym_opt(handle, 'add_1')!)
+	eprintln('f: ${ptr_str(f)}')
+	res := f(1, 2)
+	eprintln('res: ${res}')
+}