Silence rm Apiif if already removed

git-svn-id: http://root.cern.ch/svn/root/trunk@27156 27541ba8-7e3a-0410-8455-c3a389f83636

cint/configure

@@ -757,7 +757,7 @@ for exp in ${EXPORTS[*]}; do
 done
 
 echo Removing Apiif.cxx
-rm ${COREVERSION}/src/dict/Apiif*.*
+rm -f ${COREVERSION}/src/dict/Apiif*.*
 
 # now write the cint-config script