Make some adjustments in variable assignments

These variables aren't really used for anything interesting, but it
seems the existing grouping was somewhat nonsensical.

src/backend/utils/mb/Unicode/Makefile

@@ -63,12 +63,13 @@ ISO8859TEXTS = 8859-2.TXT 8859-3.TXT 8859-4.TXT 8859-5.TXT \
 	8859-10.TXT 8859-13.TXT 8859-14.TXT 8859-15.TXT \
 	8859-16.TXT
 
-WINTEXTS = CP866.TXT CP874.TXT CP1250.TXT CP1251.TXT \
+WINTEXTS = CP866.TXT CP874.TXT CP936.TXT CP949.TXT \
+	CP1250.TXT CP1251.TXT \
 	CP1252.TXT CP1253.TXT CP1254.TXT CP1255.TXT \
 	CP1256.TXT CP1257.TXT CP1258.TXT
 
 GENERICTEXTS = $(ISO8859TEXTS) $(WINTEXTS) \
-	KOI8-R.TXT CP936.TXT CP949.TXT JOHAB.TXT
+	KOI8-R.TXT JOHAB.TXT
 
 all: $(MAPS)