snprintf.cxx (snprintf_buf::print_va_list): Exit on EILSEQ to fix infinite loop.
snprintf.cxx (snprintf_buf::print_va_list): Exit on EILSEQ to fix infinite
loop.

csuideal/log4cplus,ccpaging/log4cplus,hunter-packages/log4cplus,ccpaging/log4cplus,ccpaging/log4cplus,hunter-packages/log4cplus,csuideal/log4cplus,ccpaging/log4cplus,hunter-packages/log4cplus,hunter-packages/log4cplus,csuideal/log4cplus,csuideal/log4cplus