bug#32755: [PATCH] erc.el: Remove warning during compilation.

[Gabriel Beauchamp]

Hi,

I have attached a patch that removes a warning during the compilation of
erc. Tested with `emacs -Q -q' running on HEAD.

Thanks,
Gabriel

>From cc6d9c0c83fb62172aec5456c1ae16f217478346 Mon Sep 17 00:00:00 2001
From: Gabriel Beauchamp <beauchampgabriel@gmail.com>
Date: Mon, 17 Sep 2018 17:07:13 -0400
Subject: [PATCH] * lisp/erc/erc.el (erc-handle-irc-url): Remove warning during
 compilation.

---
 lisp/erc/erc.el | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/lisp/erc/erc.el b/lisp/erc/erc.el
index fc51009641..eb9082fa2f 100644
--- a/lisp/erc/erc.el
+++ b/lisp/erc/erc.el
@@ -5450,14 +5450,14 @@ erc-send-input
       (beep))
     nil)
    (t
-    (defvar str) ;; FIXME: Make it obey the "erc-" prefix convention.
-    (let ((str input)
+    (defvar erc--str)
+    (let ((erc--str input)
           (erc-insert-this t))
       (setq erc-send-this t)
       (run-hook-with-args 'erc-send-pre-hook input)
       (when erc-send-this
-        (if (or (string-match "\n" str)
-                (not (string-match erc-command-regexp str)))
+        (if (or (string-match "\n" erc--str)
+                (not (string-match erc-command-regexp erc--str)))
             (mapc
              (lambda (line)
                (mapc
@@ -5468,8 +5468,8 @@ erc-send-input
                                           (null erc-flood-protect) t))
                 (or (and erc-flood-protect (erc-split-line line))
                     (list line))))
-             (split-string str "\n"))
-          (erc-process-input-line (concat str "\n") t nil))
+             (split-string erc--str "\n"))
+          (erc-process-input-line (concat erc--str "\n") t nil))
         t)))))
 
 (defun erc-display-command (line)
-- 
2.17.1