Patch for ecCodes / GRIB API for correct CCSDS encoding

0001-Squashed-commits.patch

diff --git a/definitions/grib2/template.5.42.def b/definitions/grib2/template.5.42.def
index 21bcb3e..f8e9229 100644
--- a/definitions/grib2/template.5.42.def
+++ b/definitions/grib2/template.5.42.def
@@ -15,7 +15,7 @@ include "grib2/template.5.original_values.def";
 unsigned[1] ccsdsFlags : dump;
 
 flagbit AEC_DATA_SIGNED_OPTION_MASK(ccsdsFlags,0)     = 0;
-flagbit AEC_DATA_3BYTE_OPTION_MASK(ccsdsFlags,1)      = 0;
+flagbit AEC_DATA_3BYTE_OPTION_MASK(ccsdsFlags,1)      = 1;
 flagbit AEC_DATA_MSB_OPTION_MASK(ccsdsFlags,2)        = 1;
 flagbit AEC_DATA_PREPROCESS_OPTION_MASK(ccsdsFlags,3) = 1;
 flagbit AEC_RESTRICTED_OPTION_MASK(ccsdsFlags,4)      = 0;
diff --git a/src/grib_accessor_class_data_ccsds_packing.c b/src/grib_accessor_class_data_ccsds_packing.c
index 00f7d96..c97fe1f 100644
--- a/src/grib_accessor_class_data_ccsds_packing.c
+++ b/src/grib_accessor_class_data_ccsds_packing.c
@@ -275,7 +275,7 @@ static int  unpack_double(grib_accessor* a, double* val, size_t *len)
     */
 
     bits8 = ((bits_per_value + 7)/8)*8;
-    size = n_vals * (bits_per_value + 7)/8;
+    size = n_vals * ((bits_per_value + 7)/8);
     decoded = grib_context_buffer_malloc_clear(a->context,size);
     if(!decoded) {
         err = GRIB_OUT_OF_MEMORY;