nir: remove extra semicolon
nir: remove extra semicolon

Reviewed-by: Thomas Helland <ca565e508460f734dd9d29a6ab6bd7e0e3ccde1d@gmail.com>
Reviewed-by: Jason Ekstrand <68c46a606457643eab92053c1c05574abb26f861@jlekstrand.net>
Reviewed-by: Connor Abbott <71178acffcc112b21e5858656e5751f5e4aa9364@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler