Added check_plt to bash-completion

priv/shell-completion/bash/rebar

@@ -8,7 +8,7 @@ _rebar()
     prev="${COMP_WORDS[COMP_CWORD-1]}"
     sopts="-h -v -f -j"
     lopts=" --help --verbose --force --jobs"
-    cmdsnvars="analyze build_plt clean compile \
+    cmdsnvars="analyze build_plt check_plt clean compile \
                 create-app create-node eunit generate \
                 int_test perf_test test \
                 case= force=1 jobs= suite= verbose=1"