Fix infinite loop in peek_line for EOF blanks
Fix infinite loop in peek_line for EOF blanks

taiyu-len/sway,1ace/sway,SirCmpwn/sway,taiyu-len/sway,ascent12/sway,ascent12/sway,ascent12/sway,1ace/sway,1ace/sway,taiyu-len/sway