Update facerec_from_webcam.py updated the grammer in line 40,44

[Mr-Dark-debug]

in the file facerec_from_webcam.py
fixed this codes line 40 and 44 grammar mistakes.

 # Find all the faces and face enqcodings in the frame of video
    face_locations = face_recognition.face_locations(rgb_frame)
    face_encodings = face_recognition.face_encodings(rgb_frame, face_locations)

    # Loop through each face in this frame of video
    for (top, right, bottom, left), face_encoding in zip(face_locations, face_encodings):

changed code

 # Find all the faces and face encodings in the frame of the video
    face_locations = face_recognition.face_locations(rgb_frame)
    face_encodings = face_recognition.face_encodings(rgb_frame, face_locations)

    # Loop through each face in this frame of the video
    for (top, right, bottom, left), face_encoding in zip(face_locations, face_encodings):