ZURICH, Dec 19 (Reuters) - Basler Kantonalbank BSKP.S said it will take a 100 million Swiss franc ($112.74 million) provision against full-year earnings to cover legal costs and fines from a U.S. crackdown on tax evasion. The bank said it expected full-year profit to be roughly half the 255.7 million francs it recorded in 2012. ($1 = 0.8870 Swiss francs) (Reporting by Alice Baghdjian) ((alice.baghdjian@thomsonreuters.com; +41 58 306 7461; Reuters Messaging: alice.baghdjian.thomsonreuters.com@reuters.net)) Keywords: BASLERKB/