moving macro defs. in separate include file

srcF/sfx_def.fi

+! sfx model macro definitions
+
+!#define SFX_FORCE_DEPRECATED_CODE
+!#define SFX_CHECK_NAN
\ No newline at end of file

srcF/sfx_esm.f90

+#include "sfx_def.fi"
+
 module sfx_esm
     !> @brief main Earth System Model surface flux module
 
-    ! macro defs.
-    ! --------------------------------------------------------------------------------
-!#define SFX_FORCE_DEPRECATED_CODE
-!#define SFX_CHECK_NAN
-    ! --------------------------------------------------------------------------------
-
     ! modules used
     ! --------------------------------------------------------------------------------
 #ifdef SFX_CHECK_NAN

srcF/sfx_log.f90

+#include "sfx_def.fi"
+
 module sfx_log
     !> @brief simple log-roughness surface flux module
 
-    ! macro defs.
-    ! --------------------------------------------------------------------------------
-    ! --------------------------------------------------------------------------------
-
     ! modules used
     ! --------------------------------------------------------------------------------
 #ifdef SFX_CHECK_NAN

srcF/sfx_roughness.f90

+#include "sfx_def.fi"
+
 module sfx_roughness
     !> @brief surface roughness parameterizations
 
-    ! macro defs.
-    ! --------------------------------------------------------------------------------
-    ! --------------------------------------------------------------------------------
-
     ! modules used
     ! --------------------------------------------------------------------------------
     use sfx_phys_const