Hello! Please review this small fix for an issue where jio_snprintf may be called with a null argument causing SEGV on Solaris. This can occur if to_string is called on a GenDCmdArgument<char*> with no default value.
cr: http://cr.openjdk.java.net/~allwin/7196151/webrev.00/ bug: https://bugs.openjdk.java.net/browse/JDK-7196151 serviceability/ParserTest.java reproduces this issue and the fix has been verified with this test. Thanks! /peter
