toke.c: there is no 'err' operator

The idea behind this check was to exempt code like

    print (...) err ...;

from the "print (...) interpreted as function" warning, but there is no
low-precedence err operator.

Follow-up to commit b143998.

Author: mauke

toke.c

@@ -10066,9 +10066,9 @@ S_checkcomma(pTHX_ const char *s, const char *name, const char *what)
                 ++w;
             /* the list of chars below is for end of statements or
              * block / parens, boolean operators (&&, ||, //) and branch
-             * constructs (or, and, if, until, unless, while, err, for).
+             * constructs (or, and, if, until, unless, while, for).
              * Not a very solid hack... */
-            if (!*w || !memCHRs(";&/|})]oaiuwef!=", *w))
+            if (!*w || !memCHRs(";&/|})]oaiuwf!=", *w))
                 Perl_warner(aTHX_ packWARN(WARN_SYNTAX),
                             "%s (...) interpreted as function",name);
         }