widl: Support LANG_NEUTRAL as a valid lcid in typelibs.
diff --git a/tools/widl/hash.c b/tools/widl/hash.c
index 7900544..d8a9b70 100644
--- a/tools/widl/hash.c
+++ b/tools/widl/hash.c
@@ -539,7 +539,7 @@
   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: