symlink: don't warn on Windows symlink failure (fix #37845)

Author: StefanKarpinski

base/file.jl

@@ -977,12 +977,13 @@ function symlink(p::AbstractString, np::AbstractString)
         end
     end
     err = ccall(:jl_fs_symlink, Int32, (Cstring, Cstring, Cint), p, np, flags)
+    sym = "symlink"
     @static if Sys.iswindows()
         if err < 0 && !isdir(p)
-            @warn "On Windows, creating file symlinks requires Administrator privileges" maxlog=1 _group=:file
+            sym = "On Windows, creating symlinks requires Administrator privileges.\nsymlink"
         end
     end
-    uv_error("symlink",err)
+    uv_error(sym, err)
 end
 
 """