mkhelp.pl: allow executing this script directly

- Enable execute permission (chmod +x)

- Change interpreter to /usr/bin/env perl

Ref: https://github.com/curl/curl/issues/1743

diff --git a/src/mkhelp.pl b/src/mkhelp.pl
old mode 100644 (file)
new mode 100755 (executable)
index 3295dca..270daa2
--- a/src/mkhelp.pl
+++ b/src/mkhelp.pl
@@ -1,4 +1,4 @@
-#!/usr/local/bin/perl
+#!/usr/bin/env perl
 #***************************************************************************
 #                                  _   _ ____  _
 #  Project                     ___| | | |  _ \| |