issue #2636: fix was incorrect, check for equality, not identity
issue #2636: fix was incorrect, check for equality, not identity

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