Merge pull request #279 from VectorCamp/bugfix/cppcheck-unreadVariable-others

Fix marked as done cppcheck warnings unreadVariable & others

diff --cc src/nfa/goughcompile.cpp
Simple merge

diff --cc src/nfa/mcsheng_compile.cpp
Simple merge

diff --cc src/nfa/shengcompile.cpp
Simple merge

diff --cc src/nfagraph/ng_repeat.cpp
Simple merge

diff --cc src/rose/match.c
Simple merge

diff --cc src/rose/rose_build_bytecode.cpp
Simple merge