Correct a typo in Polish translation: 'Ę' -> 'ę'
Correct a typo in Polish translation: 'Ę' -> 'ę'

jmoenig/Snap--Build-Your-Own-Blocks,ericrosenbaum/BeetleBlocks,ericrosenbaum/BeetleBlocks,jmoenig/Snap--Build-Your-Own-Blocks