Update Doomworld URLs.

Doomworld is now available over https: so there's no reason to link
to unencrypted http: URLs (which are just redirect anyway). Also the
idgames interface URLs have changed.

README.Music

@@ -18,7 +18,7 @@ Timidity for MIDI playback, first download a sound font. An example of
 a good quality sound font is the eawpats font, which can be downloaded
 from the idgames archive as sounds/eawpats.zip:
 
-  http://www.doomworld.com/idgames/index.php?file=sounds/eawpats.zip
+  https://www.doomworld.com/idgames/sounds/eawpats
 
 Having installed a sound font, select "Native MIDI" in the sound
 configuration dialog in the setup tool, and use the "Timidity
@@ -39,7 +39,7 @@ Edition, these patches are included with its version of classic Doom,
 and are automatically detected. Otherwise, they can be downloaded
 from the idgames archive as music/dgguspat.zip:
 
-  http://www.doomworld.com/idgames/index.php?file=music/dgguspat.zip
+  https://www.doomworld.com/idgames/music/dgguspat
 
 Having downloaded the patches, select "GUS (emulated)" in the sound
 configuration dialog in the setup tool, and use the "GUS patch path"

man/INSTALL.template

@@ -81,7 +81,7 @@ following names:
 If you don't have a copy of a commercial version, you can download
 the shareware version of Doom (extract the file named doom1.wad):
 
- * http://www.doomworld.com/idgames/index.php?id=7053
+ * https://www.doomworld.com/idgames/idstuff/doom/win95/doom95
    (idstuff/doom/win95/doom95.zip in your nearest /idgames mirror)
 
 #endif
@@ -195,7 +195,7 @@ are needed:
  * The IWAD file 'chex.wad', from the Chex Quest CD.
 
  * The dehacked patch 'chex.deh', which can be found here:
-   http://www.doomworld.com/idgames/?id=15420
+   https://www.doomworld.com/idgames/utils/exe_edit/patches/chexdeh
    (utils/exe_edit/patches/chexdeh.zip in your nearest /idgames mirror)
 
 Copy these files into a directory together and use the '-iwad' command

src/hexen/h2_main.c

@@ -288,7 +288,7 @@ void D_IdentifyVersion(void)
             "You are trying to use the Hexen v1.0 IWAD. This isn't\n"
             "supported by " PACKAGE_NAME ". Please upgrade to the v1.1\n"
             "IWAD file. See here for more information:\n"
-            "  http://www.doomworld.com/classicdoom/info/patches.php");
+            "  https://www.doomworld.com/classicdoom/info/patches.php");
     }
 }
 

src/i_scale.c

@@ -983,7 +983,7 @@ static boolean I_Stretch5x(int x1, int y1, int x2, int y2)
     }
 
     // test hack for Porsche Monty... scan line simulation:
-    // See here: http://www.doomworld.com/vb/post/962612
+    // See here: https://www.doomworld.com/vb/post/962612
 
     if (M_CheckParm("-scanline") > 0)
     {
@@ -1387,5 +1387,5 @@ screen_mode_t mode_squash_4x = {
 // ratio and have slightly larger borders than to have slightly smaller
 // windowboxing borders. It also means that the aspect ratio is correct
 // when running at 1280x1024. See bug #460 for more details, or this
-// post: http://www.doomworld.com/vb/post/1316735
+// post: https://www.doomworld.com/vb/post/1316735
 

src/mus2mid.c

@@ -403,7 +403,7 @@ static int GetMIDIChannel(int mus_channel, MEMFILE *midioutput)
 
             // First time using the channel, send an "all notes off"
             // event. This fixes "The D_DDTBLU disease" described here:
-            // http://www.doomworld.com/vb/source-ports/66802-the
+            // https://www.doomworld.com/vb/source-ports/66802-the
             WriteChangeController_Valueless(channel_map[mus_channel], 0x7b,
                                             midioutput);
         }