widl: Support LANG_NEUTRAL as a valid lcid in typelibs.

tools/widl/hash.c

@@ -539,7 +539,7 @@ unsigned int lhash_val_of_name_sys( syskind_t skind, LCID lcid, LPCSTR lpStr)
   case LANG_VIETNAMESE: case LANG_MALTESE:    case LANG_IRISH:
   case LANG_SAMI:       case LANG_UPPER_SORBIAN: case LANG_TSWANA:
   case LANG_XHOSA:      case LANG_ZULU:       case LANG_WELSH:
-  case LANG_BRETON:
+  case LANG_BRETON:     case LANG_NEUTRAL:
 /* some languages not in all windows versions or ReactOS */
 #ifdef LANG_GAELIC
   case LANG_GAELIC: