launch configurations are resolved unreliably.
This change fixes string substitution for the GDB command file
attribute. A similar approach can be applied to other launch
configuration attributes too.
Change-Id: I4e6447ccd8c652ad555b754daf040aba1c44cf3a
Reviewed-on: https://git.eclipse.org/r/15574
Reviewed-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>
IP-Clean: Sergey Prigogin <eclipse.sprigogin@gmail.com>
Tested-by: Sergey Prigogin <eclipse.sprigogin@gmail.com>