libstdc++: Add missing call to unused subroutine in split_view test

libstdc++-v3/ChangeLog:

	* testsuite/std/ranges/adaptors/split.cc (test03): Don't include the
	null terminator of the underlying string as part of the test_range.
	(main): Call test03.

libstdc++-v3/ChangeLog

+2020-02-19  Patrick Palka  <ppalka@redhat.com>
+
+	* testsuite/std/ranges/adaptors/split.cc (test03): Don't include the
+	null terminator of the underlying string as part of the test_range.
+	(main): Call test03.
+
 2020-02-19  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/stl_iterator.h (common_iterator): Add copyable<I>

libstdc++-v3/testsuite/std/ranges/adaptors/split.cc

@@ -64,7 +64,7 @@ void
 test03()
 {
   char x[] = "the quick brown fox";
-  test_range<char, forward_iterator_wrapper> rx(x);
+  test_range<char, forward_iterator_wrapper> rx(x, x+sizeof(x)-1);
   auto v = rx | views::split(' ');
   auto i = v.begin();
   VERIFY( ranges::equal(*i++, "the"sv) );
@@ -79,4 +79,5 @@ main()
 {
   test01();
   test02();
+  test03();
 }