Rob is now in charge of Mod IDs, change MODID comment in doomdef.h to reflect this

src/doomdef.h

@@ -205,7 +205,7 @@ extern FILE *logstream;
 // Will always resemble the versionstring, 205 = 2.0.5, 210 = 2.1, etc.
 #define CODEBASE 210
 
-// The Modification ID; must be obtained from Inuyasha ( http://mb.srb2.org/private.php?do=newpm&u=2604 ).
+// The Modification ID; must be obtained from Rob ( https://mb.srb2.org/private.php?do=newpm&u=546 ).
 // DO NOT try to set this otherwise, or your modification will be unplayable through the Master Server.
 // "12" is the default mod ID for version 2.1
 #define MODID 12