Build log.c for test_cli

On Windows, sc_log_windows_error() is called from net.c, so log.c must
also be compiled.

Fixes #3542 <https://github.com/Genymobile/scrcpy/issues/3542>

app/meson.build

@@ -267,6 +267,7 @@ if get_option('buildtype') == 'debug'
             'tests/test_cli.c',
             'src/cli.c',
             'src/options.c',
+            'src/util/log.c',
             'src/util/net.c',
             'src/util/str.c',
             'src/util/strbuf.c',