Create workaround for warnings generated by a broken C99 compiler

Create workaround for warnings generated by a broken C99 compiler

Some of the flags to turn on extra analysis and warnings in gcc contains
various bugs related to struct initializations (see section 6.7.8 in C99)
causing bogus warnings to be generated. Due to the fact that we compile
with warning == error, this is a showstopper for us. We cannot expect all
users to be running the latest compilers, so we have to create the workaround
in our code.