Fix type_to_str test for unsigned int
Fix type_to_str test for unsigned int

metaeducation/tcc,leeduhem/tinycc,seyko2/tinycc,seyko2/tinycc,code4game/tinycc,metaeducation/tcc,avih/tinycc,avih/tinycc,rchandramouli/tinycc,mingodad/tinycc,rchandramouli/tinycc,rchandramouli/tinycc,leeduhem/tinycc,code4game/tinycc,mingodad/tinycc,fstudio/tinycc,alfonsokim/tinycc,run4flat/tinycc,run4flat/tinycc,metaeducation/tcc,run4flat/tinycc,alfonsokim/tinycc,andreiw/tinycc,seyko2/tinycc,leeduhem/tinycc,leeduhem/tinycc,andrewchambers/tccmirror,alfonsokim/tinycc,gfwilliams/tinycc,leeduhem/tinycc,run4flat/tinycc,mingodad/tinycc,andrewchambers/tccmirror,mirror/tinycc,mirror/tinycc,avih/tinycc,metaeducation/tcc,alfonsokim/tinycc,seyko2/tinycc,seyko2/tinycc,avih/tinycc,rchandramouli/tinycc,alfonsokim/tinycc,gfwilliams/tinycc,gfwilliams/tinycc,mirror/tinycc,mingodad/tinycc,run4flat/tinycc,metaeducation/tcc,andreiw/tinycc,mirror/tinycc,fstudio/tinycc,fstudio/tinycc,gfwilliams/tinycc,code4game/tinycc,rchandramouli/tinycc,gfwilliams/tinycc,fstudio/tinycc,andrewchambers/tccmirror,andrewchambers/tccmirror,fstudio/tinycc,andrewchambers/tccmirror,andreiw/tinycc