Use test_skip in test-textcharset if not built with iconv.

diff --git a/test/mhshow/test-textcharset b/test/mhshow/test-textcharset
index e71d423..c1a69d1 100755 (executable)
--- a/test/mhshow/test-textcharset
+++ b/test/mhshow/test-textcharset
@@ -17,8 +17,7 @@ fi
 setup_test
 
 if test "$ICONV_ENABLED" -eq 0; then
-  echo "$0: skipping test-textcharset because nmh was built without iconv"
-  exit 0
+  test_skip 'test-textcharset requires that nmh have been built with iconv'
 fi
 
 expected="$MH_TEST_DIR"/$$.expected