more F90 conversion

src/CMakeLists.txt

@@ -13,7 +13,7 @@ gf_getfld.F90 gf_unpack1.F90 gf_unpack2.F90 gf_unpack3.F90
 gf_unpack4.F90 gf_unpack5.F90 gf_unpack6.F90 gf_unpack7.F90
 gribcreate.F90 gribend.F90 gribinfo.F90
 ${CMAKE_CURRENT_BINARY_DIR}/gribmod.F90 gridtemplates.F90 intmath.F90
-ixgb2.F90 jpcpack.F90 jpcunpack.F90 misspack.f mkieee.F90 pack_gp.f
+ixgb2.F90 jpcpack.F90 jpcunpack.F90 misspack.F mkieee.F90 pack_gp.f
 params_ecmwf.F90 params.F90 pdstemplates.F90 pngpack.F90 pngunpack.F90
 putgb2.F90 rdieee.F90 realloc.F90 reduce.f simpack.F90 simunpack.F90
 skgb.F90 specpack.F90 specunpack.F90)