test-rfc6532: Export LC_CTYPE after setting it.

Updates commit 2c4ac164edefd18861595ec7624e5ad344b10198.

diff --git a/test/mhl/test-rfc6532 b/test/mhl/test-rfc6532
index 378d41c0f1bb6388a83f945f8421d1cdd30626af..0c32a00ee1579b412e5e984dd416120300c88ae5 100755 (executable)
--- a/test/mhl/test-rfc6532
+++ b/test/mhl/test-rfc6532
@@ -84,7 +84,7 @@ MIME-Version: 1.0'
 start_test 'incompatible locale'
 # Show that LC_CTYPE is sufficient, if LC_ALL is unset.
 unset LC_ALL
-LC_CTYPE=C
+LC_CTYPE=C; export LC_CTYPE
 cat >"$MH_TEST_DIR/test.format" <<EOF
 ; Doesn't decode From: or Subject:, to be really sure
 ; that character replacement works.