Merge pull request #3048 from rtissera/fix-broken-mugen-generator

Broken mugenGenerator breaks master

Author: rtissera

package/batocera/core/batocera-configgen/configgen/configgen/generators/mugen/mugenGenerator.py

@@ -15,7 +15,7 @@ def generate(self, system, rom, playersControllers, gameResolution):
                 "SDL_GAMECONTROLLERCONFIG": controllersConfig.generateSdlGameControllerConfig(playersControllers),
             })
 
-        config = UnixSettings(rom + "/data + mugen.cfg, separator='')
+        config = UnixSettings(rom + "/data/" + "mugen.cfg", separator='')
 
         # general
         config.save("FullScreen", "1")