lang-specs.h: Add support for .f03 and .F03 extensions.

fortran/
2007-01-26  Tobias Burnus  <burnus@net-b.de>

	* lang-specs.h: Add support for .f03 and .F03 extensions.
	* gfortran.texi: Document .f03 extension.
	* options.c (form_from_filename): Recognize .f03.

testsuite/
2007-01-26  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/gomp/gomp.exp: Support .f03 extension.
        * gfortran.dg/vect/vect.exp: Ditto.
        * gfortran.dg/dg.exp: Ditto.
        * gfortran.fortran-torture/execute/execute.exp: Ditto.
        * gfortran.fortran-torture/compile/compile.exp: Ditto.

libgomp/
2007-01-26  Tobias Burnus  <burnus@net-b.de>

	* testsuite/libgomp.fortran/fortran.exp: Support .f03 extension.

From-SVN: r121201