pg_dump: Fix typo in query

This could lead to incorrect dumping of language privileges in some
cases, which is probably a rare situation.

Author: petere

src/bin/pg_dump/pg_dump.c

@@ -7160,7 +7160,7 @@ getProcLangs(Archive *fout, int *numProcLangs)
 						  "FROM pg_language l "
 						  "LEFT JOIN pg_init_privs pip ON "
 						  "(l.oid = pip.objoid "
-						  "AND pip.classoid = 'pg_type'::regclass "
+						  "AND pip.classoid = 'pg_language'::regclass "
 						  "AND pip.objsubid = 0) "
 						  "WHERE l.lanispl "
 						  "ORDER BY l.oid",