fix ln if soft link existed
fix ln if soft link existed

kived/buildozer,kivy/buildozer,kivy/buildozer,rnixx/buildozer,superalex/buildozer,inclement/buildozer,inclement/buildozer,techtonik/buildozer,rnixx/buildozer,inclement/buildozer,inclement/buildozer,bob-the-hamster/buildozer,kived/buildozer,dvenkatsagar/buildozer,rnixx/buildozer,cbenhagen/buildozer,rnixx/buildozer,kivy/buildozer,techtonik/buildozer,kivy/buildozer