Removed execution bit from source files.

2013-07-04  Keven Boell  <keven.boell@intel.com>

gdb/testsuite:
	* gdb.fortran/vla-func.f90: Removed execution bit.
	* gdb.fortran/vla-func.exp: Removed execution bit.

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