Dependency update
Don't warn about missing initialiser for flex-array
Don't rely on printf() in tests
Fixed segfault when iterating over mutated symtable

If we iterate and add a string to the symtable, it'll change and break
our iteration
Locate strings at their start and avoid unget()
More flex-array tests
Test fixes
Allow typedef redefinition in C11 and before as an extension
Check for parameter initialisation
Check for function initalisation
Namespace/mangle label backend output
Label test fixes
Stronger sorting for function-vs-function impl checks
Show redefinition error on the latter of the two decls