minor bugfix found using gcc-4.0
minor bugfix found using gcc-4.0

Zefz/eigen,toastedcrumpets/eigen,pthulhu/eigen,pasuka/eigen,madlib/eigen,ritsu1228/eigen,TSC21/Eigen,Zefz/eigen,cjntaylor/eigen,pthulhu/eigen,ritsu1228/eigen,cjntaylor/eigen,madlib/eigen,pthulhu/eigen,ROCmSoftwarePlatform/hipeigen,madlib/eigen,pasuka/eigen,ritsu1228/eigen,toastedcrumpets/eigen,cjntaylor/eigen,pasuka/eigen,Zefz/eigen,ROCmSoftwarePlatform/hipeigen,TSC21/Eigen,ritsu1228/eigen,cjntaylor/eigen,TSC21/Eigen,toastedcrumpets/eigen,pthulhu/eigen,Zefz/eigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,pthulhu/eigen,pasuka/eigen,toastedcrumpets/eigen,madlib/eigen,TSC21/Eigen