Fix comment typo in common_data.h

"varios" -> "various"

Change-Id: If91a462dc009f701c48c2cfd7965cd71f61f2970

av1/common/common_data.h

diff --git a/av1/common/common_data.h b/av1/common/common_data.h
index 62e9937..528343b 100644
--- a/av1/common/common_data.h
+++ b/av1/common/common_data.h
@@ -41,7 +41,7 @@
   0, 0, 0, 0, 1, 0, 1, 2, 1, 2, 3, 2, 3, IF_EXT_PARTITION(4, 3, 4)
 };
 
-// Width/height lookup tables in units of varios block sizes
+// Width/height lookup tables in units of various block sizes
 static const uint8_t num_4x4_blocks_wide_lookup[BLOCK_SIZES] = {
   1, 1, 2, 2, 2, 4, 4, 4, 8, 8, 8, 16, 16, IF_EXT_PARTITION(16, 32, 32)
 };