StdLib/BsdSocketLib: Fix function declaration mismatch with definition.

Replace the existing old-style function declarations for Field, cvtbase and spectHex in BsdSocketLib with real prototypes.  This allows StdLib to build using the GCC48 toolchain.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Bruce Cran <bruce.cran@gmail.com>
Reviewed-by: Daryl McDaniel <daryl.mcdaniel@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16467 6f19259b-4bc3-4df7-8a09-765794883524
Code clean-up to eliminate potential "dereferenced pointer" warning. 

Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: Qin Long <qin.long@intel.com> 
Reviewed-by: Guo Dong <guo.dong@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16468 6f19259b-4bc3-4df7-8a09-765794883524
Fix a regression bug to uni parser.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Yingke Liu <yingke.d.liu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16469 6f19259b-4bc3-4df7-8a09-765794883524
Merge branch 'master' of https://github.com/tianocore/edk2