- added workaround to Dehacked so that „Doom“ only replaces the music name

Of all these short strings this is the only one that occurs elsewhere as well.

src/gamedata/d_dehacked.cpp

@@ -2753,7 +2753,17 @@ static int PatchText (int oldSize)
 
 	// Search through most other texts
 	const char *str;
-	do
+	
+	// hackhack: If the given string is "Doom", only replace "MUSIC_DOOM".
+	// This is the only music or texture name clashing with common words in the string table.
+	if (!stricmp(oldStr, "Doom"))
+	{
+		str = "MUSIC_DOOM";
+		TableElement te = { LumpFileNum, { newStrData, newStrData, newStrData, newStrData } };
+		DehStrings.Insert(str, te);
+		good = true;
+	}
+	else do
 	{
 		oldStrData.MergeChars(' ');
 		str = EnglishStrings.MatchString(oldStr);