Correct documentation of c2mir_compile().
The c2mir_compile() function returns true on success.
worked in context `ctx`
* Function `c2mir_compile (MIR_context_t ctx, struct c2mir_options *ops, int (*getc_func) (void),
const char *source_name, FILE *output_file)`
- compiles one C code file. Function returns zero in case of
+ compiles one C code file. Function returns true (non-zero) in case of
successful compilation. It frees all memory used to compile the
file. So you can compile a lot of files in the same context
without program memory growth. Function `getc_func` provides
