The ornamental design for a lineguide for fishingreel, as shown and described.
FIG. 1 is a perspective view of a line guide for fishing reel showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown are included for the purpose of illustrating the unclaimed portions of the line guide for fishing reel and form no part of the claimed design.