Declare main() with argc/argv params in tests

Declaring the main method as "int main(void)" causes issues with SDL.

Fixes #1209 <https://github.com/Genymobile/scrcpy/issues/1209>

app/tests/test_buffer_util.c

@@ -65,7 +65,10 @@ static void test_buffer_read64be(void) {
     assert(val == 0xABCD1234567890EF);
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
     test_buffer_write16be();
     test_buffer_write32be();
     test_buffer_write64be();

app/tests/test_cbuf.c

@@ -65,7 +65,10 @@ static void test_cbuf_push_take(void) {
     assert(item == 35);
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
     test_cbuf_empty();
     test_cbuf_full();
     test_cbuf_push_take();

app/tests/test_cli.c

@@ -122,7 +122,10 @@ static void test_options2(void) {
     assert(opts->record_format == SC_RECORD_FORMAT_MP4);
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
     test_flag_version();
     test_flag_help();
     test_options();

app/tests/test_control_msg_serialize.c

@@ -257,7 +257,10 @@ static void test_serialize_rotate_device(void) {
     assert(!memcmp(buf, expected, sizeof(expected)));
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
     test_serialize_inject_keycode();
     test_serialize_inject_text();
     test_serialize_inject_text_long();

app/tests/test_device_msg_deserialize.c

@@ -45,7 +45,10 @@ static void test_deserialize_clipboard_big(void) {
     device_msg_destroy(&msg);
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
     test_deserialize_clipboard();
     test_deserialize_clipboard_big();
     return 0;

app/tests/test_queue.c

@@ -32,7 +32,10 @@ static void test_queue(void) {
     assert(queue_is_empty(&queue));
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
     test_queue();
     return 0;
 }

app/tests/test_strutil.c

@@ -286,7 +286,10 @@ static void test_parse_integer_with_suffix(void) {
     assert(!ok);
 }
 
-int main(void) {
+int main(int argc, char *argv[]) {
+    (void) argc;
+    (void) argv;
+
     test_xstrncpy_simple();
     test_xstrncpy_just_fit();
     test_xstrncpy_truncated();