__gcov_indirect_call_callee can't be null in __gcov_indirect_call_profiler_v2.

2018-08-01  Martin Liska  <mliska@suse.cz>

	* libgcov-profiler.c (__gcov_indirect_call_profiler_v2): Do not
        check that  __gcov_indirect_call_callee is non-null.

From-SVN: r263202