tcc.h (BufferedFile): Remove unnecessary static memory allocation
tcc.h (BufferedFile): Remove unnecessary static memory allocation

The memory needed by `buffer' will be allocated in `tcc_open_bf',
these is no need to allocate them in BufferedFile statically.

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