Fix memory error in case of reinit using kmp_set_defaults() for lock code.

The lock tables were being reallocated if kmp_set_defaults() was called.
In the env_init code it says that the user should be able to switch between
different KMP_CONSISTENCY_CHECK values which is what this change enables.


git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@292349 91177308-0d34-0410-b5e6-96231b3b80d8