fix memory leak in Android UserManager
fix memory leak in Android UserManager
cgeo/cgeo,pstorch/cgeo,mucek4/cgeo,auricgoldfinger/cgeo,kumy/cgeo,Bananeweizen/cgeo,cgeo/cgeo,mucek4/cgeo,mucek4/cgeo,rsudev/c-geo-opensource,rsudev/c-geo-opensource,matej116/cgeo,pstorch/cgeo,Bananeweizen/cgeo,auricgoldfinger/cgeo,superspindel/cgeo,pstorch/cgeo,Bananeweizen/cgeo,tobiasge/cgeo,cgeo/cgeo,rsudev/c-geo-opensource,S-Bartfast/cgeo,kumy/cgeo,S-Bartfast/cgeo,kumy/cgeo,tobiasge/cgeo,auricgoldfinger/cgeo,S-Bartfast/cgeo,cgeo/cgeo,superspindel/cgeo,tobiasge/cgeo,matej116/cgeo,matej116/cgeo,superspindel/cgeo