Tests for variable strings in Fortran.

gdb/testsuite/gdb.fortran/

2013-08-27  Keven Boell  <keven.boell@intel.com>

	* vla-strings.f90: Test source file for variable
	Fortran strings.
	* vla-strings.exp: Dejagnu test script to test various
	combinations of variable string states.

Change-Id: If9fca4d8c28ba48ab2e70b28f19a81ee3bc00cd0
Signed-off-by: Keven Boell <keven.boell@intel.com>