Handle properly Boot's deftask docstrings

Author: bbatsov

clojure-mode.el

@@ -1042,6 +1042,7 @@ point) to check."
 (put 'defmacro 'clojure-doc-string-elt 2)
 (put 'definline 'clojure-doc-string-elt 2)
 (put 'defprotocol 'clojure-doc-string-elt 2)
+(put 'deftask 'clojure-doc-string-eld 2) ;; common Boot macro
 
 ;;; Vertical alignment
 (defcustom clojure-align-forms-automatically nil