close File yyin before calling yylex_destroy
close File yyin before calling yylex_destroy

This patch makes sure file handler yyin is closed.
yylex_destroy() calls yy_init_globals(), which reset yyin to 0.
Therefore if we do not close yyin before yylex_destroy(), yyin
will not be closed anymore.

ChrisCummins/intel-gpu-tools,ChrisCummins/intel-gpu-tools,erikarn/intel-gpu-tools,dlespiau/checkmate-test-igt,mv0/intel-gpu-tools,rib/intel-gpu-tools,dlespiau/checkmate-test-igt,mv0/intel-gpu-tools,chenxianqin/intel-gpu-tools,tiagovignatti/intel-gpu-tools,yipdw/intel-gpu-tools,erikarn/intel-gpu-tools,rib/intel-gpu-tools,dlespiau/checkmate-test-igt,rib/intel-gpu-tools,chenxianqin/intel-gpu-tools,erikarn/intel-gpu-tools,ChrisCummins/intel-gpu-tools,tiagovignatti/intel-gpu-tools,yipdw/intel-gpu-tools,erikarn/intel-gpu-tools,tiagovignatti/intel-gpu-tools,ChrisCummins/intel-gpu-tools,yipdw/intel-gpu-tools,mv0/intel-gpu-tools,yipdw/intel-gpu-tools,dlespiau/checkmate-test-igt,chenxianqin/intel-gpu-tools,tiagovignatti/intel-gpu-tools,chenxianqin/intel-gpu-tools,mv0/intel-gpu-tools,rib/intel-gpu-tools