* common.mk (DTRACE_DEPENDENT_OBJS): fix build failure on Solaris
  introduced in r46768. Object files containing dtrace probes should
  be listed in DTRACE_DEPENDENT_OBJS.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e