ipa: Fix testsuite/gcc.dg/ipa/remref-6.c

ipa: Fix testsuite/gcc.dg/ipa/remref-6.c

I forgot to add -fdump-ipa-inline to options of
testsuite/gcc.dg/ipa/remref-6.c and so the dump scan test were not
PASSing but ended up as UNRESOLVED.  Fixing that revealed that the one
of the dumps it was looking for had a double space, so I removed it
too.

gcc/ChangeLog:

2021-08-09  Martin Jambor  <mjambor@suse.cz>

	PR testsuite/101654
	* ipa-prop.c (propagate_controlled_uses): Removed a spurious space.

gcc/testsuite/ChangeLog:

2021-08-09  Martin Jambor  <mjambor@suse.cz>

	PR testsuite/101654
	* gcc.dg/ipa/remref-6.c: Added missing -fdump-ipa-inline option.