Resolve compile warnings on re-define FDCT32x32_2D template. Change-Id: Idb3a54ef8d2710ce7245b726379a0e5c875f5cad
This is in preparation for the SSE2 version of the high-precision 32x32 forward DCT which will share a lot of code with the existing low precision version used for rate-distortion search. Change-Id: I7084b6bdfb480b1fabb8493fb14e3f7fcc7888c0