libtcc.c: Completely replace tcc_normalize_inc_dirs.
libtcc.c: Completely replace tcc_normalize_inc_dirs.

run4flat/tinycc,seyko2/tinycc,andrewchambers/tccmirror,code4game/tinycc,avih/tinycc,run4flat/tinycc,seyko2/tinycc,run4flat/tinycc,andrewchambers/tccmirror,mirror/tinycc,andrewchambers/tccmirror,mingodad/tinycc,code4game/tinycc,andrewchambers/tccmirror,metaeducation/tcc,mirror/tinycc,metaeducation/tcc,run4flat/tinycc,avih/tinycc,metaeducation/tcc,andrewchambers/tccmirror,andreiw/tinycc,code4game/tinycc,mingodad/tinycc,mingodad/tinycc,seyko2/tinycc,metaeducation/tcc,andreiw/tinycc,mingodad/tinycc,seyko2/tinycc,avih/tinycc,andreiw/tinycc,seyko2/tinycc,metaeducation/tcc,mirror/tinycc,run4flat/tinycc,avih/tinycc,mirror/tinycc