Bug 13256 - Typographical error on item search template

Bug 13256 - Typographical error on item search template

Typo error found in the new template itemsearch.tt line 363 "_ matches
only a single charcter"

Test plan:
1) Go to url 'intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt'
   line 363 and check the typo "_ matches only a single charcter" and
   change for _ matches only a single character
2) Apply the patch
3) Repeat step 1 and check if the typo is fixed

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>