Fix leak if duplicated static md
Fix leak if duplicated static md

pszemus/grpc,fuchsia-mirror/third_party-grpc,fuchsia-mirror/third_party-grpc,ejona86/grpc,mehrdada/grpc,jboeuf/grpc,ctiller/grpc,ncteisen/grpc,yongni/grpc,nicolasnoble/grpc,jboeuf/grpc,ncteisen/grpc,nicolasnoble/grpc,carl-mastrangelo/grpc,carl-mastrangelo/grpc,jtattermusch/grpc,sreecha/grpc,ejona86/grpc,pszemus/grpc,yongni/grpc,stanley-cheung/grpc,firebase/grpc,daniel-j-born/grpc,vjpai/grpc,sreecha/grpc,jtattermusch/grpc,simonkuang/grpc,fuchsia-mirror/third_party-grpc,ejona86/grpc,ctiller/grpc,PeterFaiman/ruby-grpc-minimal,pszemus/grpc,ejona86/grpc,geffzhang/grpc,thinkerou/grpc,ncteisen/grpc,carl-mastrangelo/grpc,kpayson64/grpc,sreecha/grpc,yongni/grpc,donnadionne/grpc,mehrdada/grpc,stanley-cheung/grpc,fuchsia-mirror/third_party-grpc,vjpai/grpc,Crevil/grpc,ctiller/grpc,stanley-cheung/grpc,deepaklukose/grpc,ctiller/grpc,grpc/grpc,jtattermusch/grpc,firebase/grpc,chrisdunelm/grpc,nicolasnoble/grpc,yongni/grpc,muxi/grpc,adelez/grpc,kumaralokgithub/grpc,pszemus/grpc,ejona86/grpc,stanley-cheung/grpc,dgquintas/grpc,muxi/grpc,ejona86/grpc,grpc/grpc,stanley-cheung/grpc,firebase/grpc,daniel-j-born/grpc,sreecha/grpc,grpc/grpc,yongni/grpc,ncteisen/grpc,mehrdada/grpc,dgquintas/grpc,fuchsia-mirror/third_party-grpc,vjpai/grpc,jboeuf/grpc,simonkuang/grpc,Crevil/grpc,fuchsia-mirror/third_party-grpc,dgquintas/grpc,mehrdada/grpc,Crevil/grpc,kpayson64/grpc,deepaklukose/grpc,mehrdada/grpc,deepaklukose/grpc,vjpai/grpc,mehrdada/grpc,dgquintas/grpc,pszemus/grpc,nicolasnoble/grpc,Crevil/grpc,adelez/grpc,chrisdunelm/grpc,geffzhang/grpc,stanley-cheung/grpc,adelez/grpc,matt-kwong/grpc,murgatroid99/grpc,thinkerou/grpc,jtattermusch/grpc,pszemus/grpc,ejona86/grpc,ctiller/grpc,jboeuf/grpc,jtattermusch/grpc,Vizerai/grpc,vjpai/grpc,chrisdunelm/grpc,jtattermusch/grpc,geffzhang/grpc,mehrdada/grpc,Vizerai/grpc,simonkuang/grpc,ncteisen/grpc,Vizerai/grpc,quizlet/grpc,daniel-j-born/grpc,Vizerai/grpc,vjpai/grpc,geffzhang/grpc,firebase/grpc,donnadionne/grpc,murgatroid99/grpc,ncteisen/grpc,kpayson64/grpc,quizlet/grpc,thinkerou/grpc,kpayson64/grpc,carl-mastrangelo/grpc,thinkerou/grpc,Vizerai/grpc,sreecha/grpc,deepaklukose/grpc,PeterFaiman/ruby-grpc-minimal,PeterFaiman/ruby-grpc-minimal,quizlet/grpc,jtattermusch/grpc,ejona86/grpc,carl-mastrangelo/grpc,dgquintas/grpc,ncteisen/grpc,pszemus/grpc,murgatroid99/grpc,ncteisen/grpc,murgatroid99/grpc,PeterFaiman/ruby-grpc-minimal,ctiller/grpc,muxi/grpc,jtattermusch/grpc,grpc/grpc,chrisdunelm/grpc,matt-kwong/grpc,vjpai/grpc,jboeuf/grpc,chrisdunelm/grpc,murgatroid99/grpc,kumaralokgithub/grpc,chrisdunelm/grpc,muxi/grpc,grpc/grpc,sreecha/grpc,donnadionne/grpc,murgatroid99/grpc,carl-mastrangelo/grpc,donnadionne/grpc,ejona86/grpc,donnadionne/grpc,Crevil/grpc,jtattermusch/grpc,ncteisen/grpc,muxi/grpc,ctiller/grpc,geffzhang/grpc,ctiller/grpc,grpc/grpc,Crevil/grpc,muxi/grpc,kumaralokgithub/grpc,grpc/grpc,murgatroid99/grpc,stanley-cheung/grpc,PeterFaiman/ruby-grpc-minimal,ncteisen/grpc,pszemus/grpc,geffzhang/grpc,daniel-j-born/grpc,jboeuf/grpc,vjpai/grpc,Vizerai/grpc,vjpai/grpc,fuchsia-mirror/third_party-grpc,firebase/grpc,Crevil/grpc,stanley-cheung/grpc,murgatroid99/grpc,quizlet/grpc,chrisdunelm/grpc,pszemus/grpc,thinkerou/grpc,donnadionne/grpc,muxi/grpc,firebase/grpc,stanley-cheung/grpc,firebase/grpc,PeterFaiman/ruby-grpc-minimal,dgquintas/grpc,PeterFaiman/ruby-grpc-minimal,Vizerai/grpc,chrisdunelm/grpc,carl-mastrangelo/grpc,firebase/grpc,murgatroid99/grpc,carl-mastrangelo/grpc,kumaralokgithub/grpc,stanley-cheung/grpc,thinkerou/grpc,geffzhang/grpc,dgquintas/grpc,Crevil/grpc,nicolasnoble/grpc,mehrdada/grpc,nicolasnoble/grpc,thinkerou/grpc,PeterFaiman/ruby-grpc-minimal,geffzhang/grpc,stanley-cheung/grpc,simonkuang/grpc,sreecha/grpc,Crevil/grpc,kpayson64/grpc,adelez/grpc,vjpai/grpc,Vizerai/grpc,matt-kwong/grpc,thinkerou/grpc,fuchsia-mirror/third_party-grpc,grpc/grpc,pszemus/grpc,daniel-j-born/grpc,nicolasnoble/grpc,dgquintas/grpc,geffzhang/grpc,donnadionne/grpc,Vizerai/grpc,carl-mastrangelo/grpc,jboeuf/grpc,quizlet/grpc,matt-kwong/grpc,adelez/grpc,carl-mastrangelo/grpc,mehrdada/grpc,nicolasnoble/grpc,carl-mastrangelo/grpc,thinkerou/grpc,muxi/grpc,sreecha/grpc,ejona86/grpc,kpayson64/grpc,ctiller/grpc,daniel-j-born/grpc,kpayson64/grpc,ejona86/grpc,matt-kwong/grpc,PeterFaiman/ruby-grpc-minimal,sreecha/grpc,yongni/grpc,jboeuf/grpc,adelez/grpc,ejona86/grpc,deepaklukose/grpc,quizlet/grpc,Vizerai/grpc,donnadionne/grpc,deepaklukose/grpc,sreecha/grpc,fuchsia-mirror/third_party-grpc,yongni/grpc,mehrdada/grpc,grpc/grpc,vjpai/grpc,deepaklukose/grpc,kumaralokgithub/grpc,quizlet/grpc,nicolasnoble/grpc,muxi/grpc,ctiller/grpc,daniel-j-born/grpc,adelez/grpc,mehrdada/grpc,jboeuf/grpc,firebase/grpc,grpc/grpc,matt-kwong/grpc,kpayson64/grpc,dgquintas/grpc,ctiller/grpc,kpayson64/grpc,matt-kwong/grpc,muxi/grpc,jtattermusch/grpc,simonkuang/grpc,kumaralokgithub/grpc,matt-kwong/grpc,kumaralokgithub/grpc,daniel-j-born/grpc,nicolasnoble/grpc,stanley-cheung/grpc,jtattermusch/grpc,mehrdada/grpc,pszemus/grpc,PeterFaiman/ruby-grpc-minimal,firebase/grpc,deepaklukose/grpc,muxi/grpc,firebase/grpc,kpayson64/grpc,pszemus/grpc,dgquintas/grpc,daniel-j-born/grpc,ctiller/grpc,deepaklukose/grpc,donnadionne/grpc,matt-kwong/grpc,chrisdunelm/grpc,thinkerou/grpc,Vizerai/grpc,sreecha/grpc,jboeuf/grpc,simonkuang/grpc,chrisdunelm/grpc,firebase/grpc,kumaralokgithub/grpc,grpc/grpc,yongni/grpc,murgatroid99/grpc,donnadionne/grpc,jboeuf/grpc,donnadionne/grpc,simonkuang/grpc,jtattermusch/grpc,grpc/grpc,muxi/grpc,donnadionne/grpc,carl-mastrangelo/grpc,simonkuang/grpc,dgquintas/grpc,ncteisen/grpc,jboeuf/grpc,adelez/grpc,chrisdunelm/grpc,thinkerou/grpc,ncteisen/grpc,nicolasnoble/grpc,adelez/grpc,vjpai/grpc,sreecha/grpc,quizlet/grpc,nicolasnoble/grpc,simonkuang/grpc,quizlet/grpc,kumaralokgithub/grpc,fuchsia-mirror/third_party-grpc,thinkerou/grpc,kpayson64/grpc,yongni/grpc