6 numbers (2 hexa digits each) separated by ':'
plus ending 0 makes 18 bytes, not 6, let's put 20

- LMSSDR was not handled
- bad #if usage
- bad indentation

still not very clean, but better

Bug reported by Bruno Mongazon from Nokia.

"Without this line, the config file parameter is not properly stored and
the FH will always work with compression."

Bug reported by Bruno Mongazon from Nokia.

Prior to this commit, the following command failed to build dlsim:
    ./build_oai --phy_simulators -c

Choice has been made to define it in a .h file as a static inline
function.

The command line to get the error was:
    ./build_oai --eNB -w EXMIMO -c

The command line to get the error was:
    ./build_oai --eNB -w EXMIMO -c