gopls/internal/lsp/source/symbols_gox: fix func.recv in classfile

[visualfc]

fix type in classfile doc symbols

// rect.gox 
var (
	x int
	y int
)

type point struct {
	x int
	y int
}

func (p *point) set() {
}

func demo() {}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2c05f52) 42.78% compared to head (125445f) 42.78%.

Additional details and impacted files

@@           Coverage Diff           @@
##           goplus     #163   +/-   ##
=======================================
  Coverage   42.78%   42.78%           
=======================================
  Files           9        9           
  Lines        1309     1309           
=======================================
  Hits          560      560           
  Misses        690      690           
  Partials       59       59           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.