git_config: fix _SaveJson typo
git_config: fix _SaveJson typo

Change-Id: I35ca2b3733e6d1508669f9a6690c6645c582912e

FuangCao/repo,xyyangkun/git-repo,iAlios/git-repo,couchbasedeps/git-repo,11NJ/git-repo,mozilla/git-repo,lewixliu/git-repo,codetutil/git-repo,chzhong/git-repo,kdavis-mozilla/repo-repo,wavecomp/git-repo,GatorQue/git-repo-flow,dodocat/git-repo,iAlios/git-repo,mer-tools/git-repo,slfyusufu/repo,zemug/repo,GerritCodeReview/git-repo,testbetta/repo-pub,gabbayo/git-repo,wavecomp/git-repo,FlymeOS/repo,gbraad/git-repo,kangear/git-repo,xyyangkun/git-repo,kdavis-mozilla/repo-repo,darrengarvey/git-repo,lewixliu/git-repo,ronan22/repo,codetutil/git-repo,qioixiy/git-repo,frogbywyplay/git-repo,FuangCao/repo,ediTLJ/git-repo,jingyu/git-repo,mixedpuppy/git-repo,biaolv/git-repo,4455jkjh/repo,CyanogenMod/tools_repo,flingone/git-repo,qioixiy/git-repo,nuclearmistake/repo,chenzilin/git-repo,GatorQue/git-repo-flow,kangear/git-repo,FuangCao/git-repo,llg84/google_repo,mozilla/git-repo,jingyu/git-repo,darrengarvey/git-repo,biaolv/git-repo,aosp-mirror/tools_repo,llg84/google_repo,chzhong/git-repo,gabbayo/git-repo,4455jkjh/repo,FuangCao/git-repo,mer-tools/git-repo,ediTLJ/git-repo,mixedpuppy/git-repo,FlymeOS/repo,lipro-yocto/git-repo,simbasailor/git-repo,petemoore/git-repo,simbasailor/git-repo,slfyusufu/repo,couchbasedeps/git-repo,CyanogenMod/tools_repo,nuclearmistake/repo,qupai/git-repo,testbetta/repo-pub,TheQtCompany/git-repo,frogbywyplay/git-repo,petemoore/git-repo,testbetta/git-repo-pub,GerritCodeReview/git-repo,ronan22/repo,lipro-yocto/git-repo,dodocat/git-repo,zemug/repo,gbraad/git-repo,testbetta/git-repo-pub,chenzilin/git-repo,aosp-mirror/tools_repo,flingone/git-repo,11NJ/git-repo,TheQtCompany/git-repo,qupai/git-repo