From Dario, fixes for Coverity reports:

In TDataSetManagerAliEn/TAliEnFind: fixed Coverity issues 48630 to 58637:
 - fixed a couple of minor memory leaks;
 - fixed use of invalidated iterator;
 - added copy ctor and op=

In TProof.cxx: fixed a misspelled method name in debug messages


git-svn-id: http://root.cern.ch/svn/root/trunk@48378 27541ba8-7e3a-0410-8455-c3a389f83636