patch 8.2.2213: checking white space around -> is not backwards compatible
Problem: Checking white space around -> is not backwards compatible.
Solution: Only check white space around =>.
diff --git a/src/userfunc.c b/src/userfunc.c
index ea6fa10..2bae9ef 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -570,7 +570,7 @@
&varargs, NULL, FALSE, NULL, NULL);
if (ret == FAIL
|| (s = skip_arrow(*arg, equal_arrow, &ret_type,
- &white_error)) == NULL)
+ equal_arrow ? &white_error : NULL)) == NULL)
{
if (types_optional)
ga_clear_strings(&argtypes);