cplus-dem.c (demangle_fund_type (near 'I' case)): Don't advance the *mangled pointer beyond the end of the string.

        * cplus-dem.c (demangle_fund_type (near 'I' case)): Don't advance
        the *mangled pointer beyond the end of the string.  Clean up code to
        match prevailing coding style.

From-SVN: r26959