Fixes a bug preventing reading of the python register file.

This change fixes a bug recently introduced in ProcessGDBRemote that
prevented the Python register definition file from getting loaded when
the qRegisterInfo0 response returned $00#.

Patch by Steve Pucci.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@198742 91177308-0d34-0410-b5e6-96231b3b80d8