added const qualifier

skeletons/BMPString.c

skeletons/BOOLEAN.c

skeletons/INTEGER.c

skeletons/NULL.c

skeletons/NativeInteger.c

skeletons/NativeReal.c

skeletons/OBJECT_IDENTIFIER.c

skeletons/OCTET_STRING.c

skeletons/REAL.c

skeletons/RELATIVE-OID.c

skeletons/UniversalString.c

skeletons/asn_codecs_prim.c

skeletons/asn_codecs_prim.h

skeletons/ber_decoder.c

skeletons/ber_decoder.h

skeletons/ber_tlv_length.c

skeletons/ber_tlv_length.h

skeletons/ber_tlv_tag.c

skeletons/ber_tlv_tag.h

skeletons/constr_CHOICE.c