Make braces consistent in encodeframe.c
Make braces consistent in encodeframe.c

Enable vim to jump to correct corresponding braces, which
is helpful especially when the function is long.

Change-Id: Ibcf4f11df3e923e12bc33ec1656bb6dbd0451be6

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom