tccelf: accept BSS symbol with same name from other module
tccelf: accept BSS symbol with same name from other module

... such as 'int baz;' in two files at the same time

mitake/tinycc,mobiphil/tinnycc,FriedBreakfast/tcc,fstudio/tinycc,fstudio/tinycc,melkior/tinycc,Wallbraker/DCPU-TCC,gfwilliams/tinycc,andrewchambers/tccmirror,Archs/TinyCC,mirror/tinycc,leeduhem/tinycc,FriedBreakfast/tcc,soywiz/tinycc,code4game/tinycc,seyko2/tinycc,shinh/nacltcc,rchandramouli/tinycc,fstudio/tinycc,gfwilliams/tinycc,Archs/TinyCC,ftdi-paul-jiao/tinyCC,fstudio/tinycc,acook/tinycc,soywiz/tinycc,mirror/tinycc,avih/tinycc,acook/tinycc,xcm/tcc,Saectar/inherpreter,ftdi-paul-jiao/tinyCC,seyko2/tinycc,metaeducation/tcc,leeduhem/tinycc,Archs/TinyCC,Saectar/inherpreter,alfonsokim/tinycc,acook/tinycc,leeduhem/tinycc,acook/tinycc,mobiphil/tinnycc,Wallbraker/DCPU-TCC,shinh/nacltcc,run4flat/tinycc,mobiphil/tinnycc,metaeducation/tcc,andrewchambers/tccmirror,avih/tinycc,shinh/nacltcc,yousong/tinycc,soywiz/tinycc,gfwilliams/tinycc,mitake/tinycc,melkior/tinycc,Saectar/inherpreter,run4flat/tinycc,Wallbraker/DCPU-TCC,code4game/tinycc,mingodad/tinycc,Saectar/inherpreter,andreiw/tinycc,andrewchambers/tccmirror,melkior/tinycc,ftdi-paul-jiao/tinyCC,mirror/tinycc,mobiphil/tinnycc,alfonsokim/tinycc,melkior/tinycc,metaeducation/tcc,leeduhem/tinycc,mingodad/tinycc,seyko2/tinycc,metaeducation/tcc,metaeducation/tcc,run4flat/tinycc,Archs/TinyCC,rchandramouli/tinycc,rchandramouli/tinycc,FriedBreakfast/tcc,shinh/nacltcc,mitake/tinycc,run4flat/tinycc,rchandramouli/tinycc,xcm/tcc,run4flat/tinycc,fstudio/tinycc,leeduhem/tinycc,andreiw/tinycc,FriedBreakfast/tcc,alfonsokim/tinycc,yousong/tinycc,mitake/tinycc,shinh/nacltcc,yousong/tinycc,alfonsokim/tinycc,yousong/tinycc,andrewchambers/tccmirror,mingodad/tinycc,Saectar/inherpreter,soywiz/tinycc,seyko2/tinycc,code4game/tinycc,gfwilliams/tinycc,mingodad/tinycc,ftdi-paul-jiao/tinyCC,xcm/tcc,Archs/TinyCC,avih/tinycc,andrewchambers/tccmirror,mirror/tinycc,FriedBreakfast/tcc,andreiw/tinycc,rchandramouli/tinycc,melkior/tinycc,seyko2/tinycc,gfwilliams/tinycc,avih/tinycc,alfonsokim/tinycc