[8u] RFR for backport of JDK-8177958: Possible uninitialized char* in vm_version_solaris_sparc.cpp

[Shafi Ahmad]

Hi,

Please review the backport of ' JDK-8177958: Possible uninitialized char* in vm_version_solaris_sparc.cpp' to jdk8u.
Please note that this is not a clean backport due to single line conflict.

Webrev: http://cr.openjdk.java.net/~shshahma/8177958/jdk8u/webrev.00/
Jdk10 bug: https://bugs.openjdk.java.net/browse/JDK-8177958
Original patch pushed to jdk10: http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/7295c9c26185

Test:  Run jprt.

Regards,
Shafi