fix mem leak in xml reading code
fix mem leak in xml reading code

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