create icon map, add an entry but do not enter the name. attempt to save.
add new icon mapping entries - they are added in a disabled state.

same if trying to save icon mapping entries with empty regexp

broken by :

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r28241 | tomtom | 2012-06-14 10:18:06 +0300 (Thu, 14 Jun 2012) | 1 line

..F....... ZBX-5133 fixed error when adding the first map element