fortran-2.eclass: Respect fortran as test dep

If fortran is only needed for test, then there is no
need to add it to RDEPEND.

Signed-off-by: Justin Lecher <jlec@gentoo.org>

eclass/fortran-2.eclass

@@ -60,17 +60,20 @@ for _f_use in ${FORTRAN_NEEDED}; do
 	case ${_f_use} in
 		always)
 			DEPEND+=" virtual/fortran"
+			RDEPEND+=" virtual/fortran"
 			break
 			;;
 		no)
 			break
 			;;
+		test)
+			DEPEND+=" ${_f_use}? ( virtual/fortran )"
 		*)
 			DEPEND+=" ${_f_use}? ( virtual/fortran )"
+			RDEPEND+=" ${_f_use}? ( virtual/fortran )"
 			;;
 	esac
 done
-RDEPEND="${DEPEND}"
 
 # @FUNCTION: _fortran_write_testsuite
 # @INTERNAL