v4.0.x - some new warnings

[Chaigneau, Nicolas]

Hello,


A few more warnings from gcc 7.3 on today's 4.0.x sources :



CC src/lib/util/dict.c
src/lib/util/dict.c: In function 'dict_attr_add_by_name':
src/lib/util/dict.c:1559:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  {
  ^
src/lib/util/dict.c:1581:2: note: here
  case FR_TYPE_COMBO_IP_PREFIX:
  ^~~~



CC src/lib/util/value.c
src/lib/util/value.c: In function 'fr_value_box_cast_to_ipv4prefix':
src/lib/util/value.c:1643:2: warning: this statement may fall through [-Wimplicit-fallthrough=]
  {
  ^
src/lib/util/value.c:1651:2: note: here
  default:
  ^~~~~~~



CC src/main/cond_tokenize.c
src/main/cond_tokenize.c: In function 'cond_tokenize':
src/main/cond_tokenize.c:1119:23: warning: this statement may fall through [-Wimplicit-fallthrough=]
        c->pass2_fixup = PASS2_FIXUP_TYPE;
        ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
src/main/cond_tokenize.c:1121:7: note: here
       default:
       ^~~~~~~


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