Commits on Sep 26, 2021

1. lib: avoid fallthrough cases in switch statements …

   Commit b5a434f inhibits the warning
   on implicit fallthrough cases, since the current coding of indicating
   fallthrough with comments is falling out of fashion with new compilers.
   This attempts to make the issue smaller by rewriting fallthroughs to no
   longer fallthrough, via either breaking the cases or turning switch
   statements into if statements.
   
     lib/content_encoding.c: the fallthrough codepath is simply copied
       into the case as it's a single line.
     lib/http_ntlm.c: the fallthrough case skips a state in the state-
       machine and fast-forwards to NTLMSTATE_LAST. Do this before the
       switch statement instead to set up the states that we actually
       want.
     lib/http_proxy.c: the fallthrough is just falling into exiting the
       switch statement which can be done easily enough in the case.
     lib/mime.c: switch statement rewritten as if statement.
     lib/pop3.c: the fallthrough case skips to the next state in the
       statemachine, do this explicitly instead.
     lib/urlapi.c: switch statement rewritten as if statement.
     lib/vssh/wolfssh.c: the fallthrough cases fast-forwards the state
       machine, do this by running another iteration of the switch
       statement instead.
     lib/vtls/gtls.c: switch statement rewritten as if statement.
     lib/vtls/nss.c: the fallthrough codepath is simply copied into the
       case as it's a single line. Also twiddle a comment to not be
       inside a non-brace if statement.
   
   Closes: #xxxx
   See-also: curl#7295

   

   danielgustafsson committed Sep 26, 2021
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