Fixed the debugmsg help.

misc/main.c

@@ -202,14 +202,14 @@ void MAIN_ParseDebugOptions( const char *arg )
   if (!*options) return;
 
  error:  
-  MESSAGE("%s: Syntax: -debugmsg [class]+xxx,...  or "
+  MESSAGE("%s: Syntax: --debugmsg [class]+xxx,...  or "
       "-debugmsg [class]-xxx,...\n",argv0);
-  MESSAGE("Example: -debugmsg +all,warn-heap\n"
+  MESSAGE("Example: --debugmsg +all,warn-heap\n"
       "  turn on all messages except warning heap messages\n");
-  MESSAGE("Special case: -debugmsg +relay=DLL:DLL.###:FuncName\n"
+  MESSAGE("Special case: --debugmsg +relay=DLL:DLL.###:FuncName\n"
       "  turn on -debugmsg +relay only as specified\n"
-      "Special case: -debugmsg -relay=DLL:DLL.###:FuncName\n"
-      "  turn on -debugmsg +relay except as specified\n"
+      "Special case: --debugmsg -relay=DLL:DLL.###:FuncName\n"
+      "  turn on --debugmsg +relay except as specified\n"
       "Also permitted, +snoop=..., -snoop=... as with relay.\n\n");
   
   MESSAGE("Available message classes:\n");