message: Fix zsh completions for add and locate-project
  The zsh tab-completion script had missing line continuations which would
  cause `command not found:` errors when trying to complete the
  `cargo add` or `cargo locate-project` subcommands.
diff: @@ -68,16 +68,16 @@ _cargo() {
  case ${words[1]} in
  add)
  _arguments -s -A "^--" $common $manifest $registry \
  - {-F+,--features=}'[specify features to activate]:feature'
  - "--default-features[enable the default features]"
  - "--no-default-features[don't enable the default features]"
  - "--optional[mark the dependency as optional]"
  - "--no-optional[mark the dependency as required]"
  - "--dev[add as a dev dependency]"
  - "--build[add as a build dependency]"
  - "--target=[add as a dependency to the given target platform]"
  - "--rename=[rename the dependency]"
  - "--dry-run[don't actually write the manifest]"
  + {-F+,--features=}'[specify features to activate]:feature' \
  + "--default-features[enable the default features]" \
  + "--no-default-features[don't enable the default features]" \
  + "--optional[mark the dependency as optional]" \
  + "--no-optional[mark the dependency as required]" \
  + "--dev[add as a dev dependency]" \
  + "--build[add as a build dependency]" \
  + "--target=[add as a dependency to the given target platform]" \
  + "--rename=[rename the dependency]" \
  + "--dry-run[don't actually write the manifest]" \
  '--branch=[branch to use when adding from git]:branch' \
  '--git=[specify URL from which to add the crate]:url:_urls' \
  '--path=[local filesystem path to crate to add]: :_directories' \
  @@ -182,7 +182,7 @@ _cargo() {
  locate-project)
  _arguments -s -S $common $manifest \
  - '--message-format=[specify output representation]:output representation [json]:(json plain)'
  + '--message-format=[specify output representation]:output representation [json]:(json plain)' \
  '--workspace[locate Cargo.toml of the workspace root]'
  ;;
  