inject-helper: Remove UNUSED_PARAMETER macro

Potential definition clash with c99defs.h. Not needed anyway.

plugins/win-capture/inject-helper/inject-helper.c

@@ -92,12 +92,11 @@ static int inject_helper(wchar_t *argv[], const wchar_t *dll)
 			       : inject_library_full(id, dll);
 }
 
-#define UNUSED_PARAMETER(x) ((void)(x))
-
-int main(int argc, char *argv_ansi[])
+int main(void)
 {
 	wchar_t dll_path[MAX_PATH];
 	LPWSTR pCommandLineW;
+	int argc;
 	LPWSTR *argv;
 	int ret = INJECT_ERROR_INVALID_PARAMS;
 
@@ -106,14 +105,14 @@ int main(int argc, char *argv_ansi[])
 
 	pCommandLineW = GetCommandLineW();
 	argv = CommandLineToArgvW(pCommandLineW, &argc);
-	if (argv && argc == 4) {
-		DWORD size = GetModuleFileNameW(NULL, dll_path, MAX_PATH);
-		if (size) {
-			ret = inject_helper(argv, argv[1]);
+	if (argv) {
+		if (argc == 4) {
+			if (GetModuleFileNameW(NULL, dll_path, MAX_PATH))
+				ret = inject_helper(argv, argv[1]);
 		}
+
+		LocalFree(argv);
 	}
-	LocalFree(argv);
 
-	UNUSED_PARAMETER(argv_ansi);
 	return ret;
 }