fix mem leak
fix mem leak

andre-senna/opencog,tim777z/opencog,gaapt/opencog,ceefour/opencog,sumitsourabh/opencog,inflector/atomspace,gaapt/opencog,ceefour/opencog,eddiemonroe/opencog,UIKit0/atomspace,rohit12/opencog,inflector/atomspace,kim135797531/opencog,zhaozengguang/opencog,TheNameIsNigel/opencog,rTreutlein/atomspace,jlegendary/opencog,sanuj/opencog,sanuj/opencog,Allend575/opencog,andre-senna/opencog,ArvinPan/opencog,AmeBel/opencog,AmeBel/opencog,ArvinPan/opencog,iAMr00t/opencog,kinoc/opencog,printedheart/opencog,williampma/opencog,jlegendary/opencog,eddiemonroe/atomspace,virneo/opencog,printedheart/atomspace,williampma/atomspace,andre-senna/opencog,roselleebarle04/opencog,anitzkin/opencog,ceefour/atomspace,Tiggels/opencog,anitzkin/opencog,williampma/opencog,ceefour/opencog,ArvinPan/atomspace,inflector/opencog,eddiemonroe/opencog,cosmoharrigan/opencog,rodsol/opencog,kim135797531/opencog,prateeksaxena2809/opencog,ruiting/opencog,rohit12/atomspace,williampma/opencog,misgeatgit/opencog,virneo/opencog,kinoc/opencog,eddiemonroe/atomspace,virneo/opencog,iAMr00t/opencog,kim135797531/opencog,ruiting/opencog,Selameab/atomspace,anitzkin/opencog,williampma/atomspace,sanuj/opencog,rodsol/atomspace,AmeBel/opencog,ruiting/opencog,prateeksaxena2809/opencog,ArvinPan/opencog,ArvinPan/atomspace,sumitsourabh/opencog,AmeBel/atomspace,shujingke/opencog,ruiting/opencog,ArvinPan/opencog,misgeatgit/opencog,cosmoharrigan/atomspace,misgeatgit/atomspace,andre-senna/opencog,kinoc/opencog,misgeatgit/atomspace,UIKit0/atomspace,kinoc/opencog,iAMr00t/opencog,prateeksaxena2809/opencog,inflector/atomspace,ArvinPan/opencog,williampma/opencog,rohit12/atomspace,Tiggels/opencog,cosmoharrigan/opencog,yantrabuddhi/atomspace,prateeksaxena2809/opencog,anitzkin/opencog,virneo/opencog,williampma/opencog,ceefour/atomspace,sanuj/opencog,yantrabuddhi/opencog,misgeatgit/atomspace,Selameab/opencog,gavrieltal/opencog,rodsol/atomspace,sumitsourabh/opencog,yantrabuddhi/atomspace,gavrieltal/opencog,cosmoharrigan/atomspace,printedheart/atomspace,gaapt/opencog,rohit12/opencog,rTreutlein/atomspace,kinoc/opencog,rohit12/opencog,Allend575/opencog,TheNameIsNigel/opencog,andre-senna/opencog,ArvinPan/atomspace,Allend575/opencog,eddiemonroe/opencog,sumitsourabh/opencog,cosmoharrigan/opencog,williampma/opencog,Selameab/atomspace,inflector/opencog,yantrabuddhi/opencog,roselleebarle04/opencog,rodsol/opencog,cosmoharrigan/atomspace,tim777z/opencog,rodsol/atomspace,printedheart/opencog,shujingke/opencog,cosmoharrigan/opencog,UIKit0/atomspace,inflector/atomspace,jlegendary/opencog,UIKit0/atomspace,roselleebarle04/opencog,Tiggels/opencog,yantrabuddhi/atomspace,ruiting/opencog,Selameab/opencog,anitzkin/opencog,printedheart/opencog,williampma/atomspace,eddiemonroe/opencog,zhaozengguang/opencog,virneo/opencog,TheNameIsNigel/opencog,eddiemonroe/opencog,rodsol/opencog,prateeksaxena2809/opencog,roselleebarle04/opencog,virneo/atomspace,AmeBel/atomspace,gavrieltal/opencog,misgeatgit/opencog,rohit12/opencog,gavrieltal/opencog,gaapt/opencog,ceefour/atomspace,eddiemonroe/atomspace,MarcosPividori/atomspace,prateeksaxena2809/opencog,ArvinPan/opencog,anitzkin/opencog,rohit12/atomspace,roselleebarle04/opencog,tim777z/opencog,AmeBel/atomspace,shujingke/opencog,MarcosPividori/atomspace,AmeBel/atomspace,rTreutlein/atomspace,rodsol/atomspace,inflector/atomspace,Tiggels/opencog,jlegendary/opencog,gavrieltal/opencog,virneo/atomspace,misgeatgit/opencog,Selameab/opencog,jlegendary/opencog,TheNameIsNigel/opencog,kim135797531/opencog,sanuj/opencog,kim135797531/opencog,sumitsourabh/opencog,MarcosPividori/atomspace,Allend575/opencog,eddiemonroe/atomspace,sanuj/opencog,cosmoharrigan/opencog,virneo/atomspace,tim777z/opencog,yantrabuddhi/opencog,misgeatgit/atomspace,andre-senna/opencog,williampma/atomspace,printedheart/opencog,misgeatgit/opencog,jlegendary/opencog,roselleebarle04/opencog,gaapt/opencog,inflector/opencog,rohit12/opencog,inflector/opencog,eddiemonroe/opencog,Tiggels/opencog,sumitsourabh/opencog,shujingke/opencog,gavrieltal/opencog,gaapt/opencog,andre-senna/opencog,rohit12/opencog,jlegendary/opencog,iAMr00t/opencog,ruiting/opencog,Allend575/opencog,ceefour/opencog,rohit12/atomspace,printedheart/atomspace,AmeBel/atomspace,yantrabuddhi/atomspace,ceefour/opencog,rTreutlein/atomspace,kim135797531/opencog,yantrabuddhi/opencog,kim135797531/opencog,yantrabuddhi/opencog,yantrabuddhi/atomspace,inflector/opencog,tim777z/opencog,shujingke/opencog,gaapt/opencog,Selameab/opencog,printedheart/opencog,ArvinPan/atomspace,iAMr00t/opencog,AmeBel/opencog,misgeatgit/opencog,ceefour/atomspace,shujingke/opencog,Allend575/opencog,AmeBel/opencog,yantrabuddhi/opencog,jswiergo/atomspace,inflector/opencog,jswiergo/atomspace,shujingke/opencog,virneo/opencog,AmeBel/opencog,TheNameIsNigel/opencog,misgeatgit/opencog,ceefour/opencog,kinoc/opencog,Tiggels/opencog,eddiemonroe/opencog,jswiergo/atomspace,Selameab/opencog,misgeatgit/atomspace,zhaozengguang/opencog,cosmoharrigan/opencog,tim777z/opencog,yantrabuddhi/opencog,zhaozengguang/opencog,roselleebarle04/opencog,printedheart/atomspace,rodsol/opencog,rodsol/opencog,zhaozengguang/opencog,printedheart/opencog,cosmoharrigan/atomspace,Selameab/atomspace,rTreutlein/atomspace,zhaozengguang/opencog,virneo/opencog,MarcosPividori/atomspace,gavrieltal/opencog,ceefour/opencog,inflector/opencog,inflector/opencog,ruiting/opencog,sumitsourabh/opencog,Selameab/opencog,misgeatgit/opencog,kinoc/opencog,Allend575/opencog,rodsol/opencog,anitzkin/opencog,virneo/atomspace,jswiergo/atomspace,misgeatgit/opencog,AmeBel/opencog,prateeksaxena2809/opencog,iAMr00t/opencog,Selameab/atomspace,TheNameIsNigel/opencog,eddiemonroe/atomspace