[PATCH] tsan: remove not needed -ldl in options

[Jan Hubicka]

> Tested and pushed to master as obvious.
> 
> Martin
> 
> gcc/testsuite/ChangeLog:
> 
> 	* c-c++-common/tsan/free_race.c: Remove unnecessary -ldl.
> 	* c-c++-common/tsan/free_race2.c: Likewise.

Thank you, I cut&pasted it from the other testcase and forgot to remove
it.  Patch is OK.

Honza