Verify that concat_hook_function actually returned something before writing over...
authorindiri69 <indiri69@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Tue, 24 Feb 2004 22:07:27 +0000 (22:07 +0000)
committerindiri69 <indiri69@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Tue, 24 Feb 2004 22:07:27 +0000 (22:07 +0000)
commit7753dac488fddaaa9029df53194281ae3bd012ef
tree78dc3e4945dee1a803f87b5597530cd7b06ef218
parente4b2105e9fc561cf8a386484c9e2246bcb5b5507
Verify that concat_hook_function actually returned something before writing over string.

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@6658 7612ce4b-ef26-0410-bec9-ea0150e637f0
functions/display_messages.php