Make it clear when a leprechaun dodges your attack

It was not obvious what was happening when a leprechaun dodged
your attack. Add a message to explicitly spell it out.
Code by aosdict.

doc/fixes36.2

@@ -145,6 +145,7 @@ sortloot option has been enhanced to improve object ordering; primarily,
 	items of undiscovered type come out before items of discovered type
 	within each class or sub-class of objects
 YAFM when stumbling on an undetected monster while hallucinating
+Make it clear when a leprechaun dodges your attack
 
 
 Code Cleanup and Reorganization