Stop returning 0 in cmp_comparison_test
Stop returning 0 in cmp_comparison_test

cmp_comparison_test has no return value and should thus not return 0.

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