refactoring: remove warning
refactoring: remove warning

madankb/cgeo,yummy222/cgeo,cgeo/cgeo,Huertix/cgeo,schwabe/cgeo,lewurm/cgeo,yummy222/cgeo,matej116/cgeo,samueltardieu/cgeo,KublaikhanGeek/cgeo,KublaikhanGeek/cgeo,Bananeweizen/cgeo,auricgoldfinger/cgeo,tobiasge/cgeo,ThibaultR/cgeo,pstorch/cgeo,yummy222/cgeo,xiaoyanit/cgeo,kumy/cgeo,schwabe/cgeo,mucek4/cgeo,schwabe/cgeo,marco-dev/c-geo-opensource,samueltardieu/cgeo,cgeo/cgeo,brok85/cgeo,superspindel/cgeo,matej116/cgeo,xiaoyanit/cgeo,KublaikhanGeek/cgeo,marco-dev/c-geo-opensource,brok85/cgeo,ThibaultR/cgeo,rsudev/c-geo-opensource,mucek4/cgeo,lewurm/cgeo,S-Bartfast/cgeo,tobiasge/cgeo,madankb/cgeo,pstorch/cgeo,pstorch/cgeo,SammysHP/cgeo,Bananeweizen/cgeo,superspindel/cgeo,lewurm/cgeo,kumy/cgeo,tobiasge/cgeo,Huertix/cgeo,SammysHP/cgeo,vishwakulkarni/cgeo,madankb/cgeo,Huertix/cgeo,S-Bartfast/cgeo,matej116/cgeo,cgeo/cgeo,auricgoldfinger/cgeo,superspindel/cgeo,schwabe/cgeo,cgeo/cgeo,samueltardieu/cgeo,rsudev/c-geo-opensource,ThibaultR/cgeo,SammysHP/cgeo,mucek4/cgeo,rsudev/c-geo-opensource,S-Bartfast/cgeo,xiaoyanit/cgeo,auricgoldfinger/cgeo,kumy/cgeo,marco-dev/c-geo-opensource,vishwakulkarni/cgeo,Bananeweizen/cgeo,vishwakulkarni/cgeo,brok85/cgeo