collect2 patch to https in URL

[Jonny Grant]

Hello

Change the "collect2 -help" output to have https URL:

Overview: http://gcc.gnu.org/onlinedocs/gccint/Collect2.html

2019-04-14  Jonny Grant  <j...@jguk.org>
        * collect2.c: Change gcc.gnu.org URL to HTTPS


Thank you
Jonny

Index: gcc/collect2.c
===================================================================
--- gcc/collect2.c	(revision 270408)
+++ gcc/collect2.c	(working copy)
@@ -1640,7 +1640,7 @@
       printf ("  --help          Display this information\n");
       printf ("  -v, --version   Display this program's version number\n");
       printf ("\n");
-      printf ("Overview: http://gcc.gnu.org/onlinedocs/gccint/Collect2.html\n";);
+      printf ("Overview: https://gcc.gnu.org/onlinedocs/gccint/Collect2.html\n";);
       printf ("Report bugs: %s\n", bug_report_url);
       printf ("\n");
     }