Don't try to 'edit' the current file

When jumping to a definition in the current file, if it was unsaved
there would be a warning because 'edit' doesn't mean go to the file, it
means read from disk.

Prepare for taggint as 0.1.1

CHANGELOG.md

@@ -1,11 +1,12 @@
-# 0.1.1-dev
+# 0.1.1
 
 - Call initialize first for better protocol compliance
 - Use a relative path where possible when jumping to definition
 - Only display 'message' field for errors
 - Bug Fix: Less likely to delete inserted text when trying to complete
 - Bug Fix: More likely to try to complete when not following a '.'
 - Populate location list with diagnostics
+- Bug fix: Don't try to 'edit' the current file
 
 # 0.1.0
 

autoload/lsc/reference.vim

@@ -40,7 +40,9 @@ function! s:isGoToValid(old_pos, goto_definition_id) abort
 endfunction
 
 function! s:goTo(file, line, character) abort
-  let relative_path = fnamemodify(a:file, ":~:.")
-  exec 'edit '.relative_path
+  if a:file != expand('%:p')
+    let relative_path = fnamemodify(a:file, ":~:.")
+    exec 'edit '.relative_path
+  endif
   call cursor(a:line, a:character)
 endfunction