Fix fstring build.py

Author: EvieePy

build.py

@@ -24,7 +24,7 @@
     '--exclude-module',
     '_bootlocale',
     '--onefile',
-    f'{"--add-binary'" if platform.system() != "Linux" else ""}',
+    f'{"--add-binary" if platform.system() != "Linux" else ""}',
     f'{"./bin/ffmpeg.exe;." if platform.system() == "Windows" else "" if platform.system() == "Linux" else "./bin/ffmpeg:."}',
 
 ])