TGA plugin: * fix a redundant byte swap (there were two consecutive ones that effectively canceled each other out) * add a pair of parentheses to fix compiler warning
TGA plugin:
* fix a redundant byte swap (there were two consecutive ones that
effectively canceled each other out)
* add a pair of parentheses to fix compiler warning

git-svn-id: c3edda122e248ef33995da003806c930f62b9468@1397 31904243-a364-42ac-a3db-9305396518ba

sambler/oiio,YangYangTL/oiio,mcanthony/oiio,OpenImageIO/oiio,cwilling/oiio,scott-wilson/oiio,jeremyselan/oiio,lgritz/oiio,YangYangTL/oiio,sambler/oiio,cwilling/oiio,YangYangTL/oiio,micler/oiio,mcanthony/oiio,bdeluca/oiio,lgritz/oiio,scott-wilson/oiio,mcanthony/oiio,scott-wilson/oiio,mcanthony/oiio,OpenImageIO/oiio,YangYangTL/oiio,cwilling/oiio,bdeluca/oiio,jeremyselan/oiio,scott-wilson/oiio,bdeluca/oiio,OpenImageIO/oiio,sambler/oiio,bdeluca/oiio,lgritz/oiio,jeremyselan/oiio,cwilling/oiio,micler/oiio,lgritz/oiio,micler/oiio,micler/oiio,OpenImageIO/oiio,sambler/oiio