caffe2 | added missing operator source file (pytorch#17272)

Summary:
Pull Request resolved: pytorch#17272

after windows-specific fixes were applied new file was left out of CMakeLists

Reviewed By: orionr

Differential Revision: D14140419

fbshipit-source-id: 6a6c652048ed196ec20241bc2a1d08cbe2a4e155

Author: Oleg Bogdanov

caffe2/operators/quantized/CMakeLists.txt

@@ -6,6 +6,7 @@ list(APPEND Caffe2_CPU_SRCS
   "${CMAKE_CURRENT_SOURCE_DIR}/int8_channel_shuffle_op.cc"
   "${CMAKE_CURRENT_SOURCE_DIR}/int8_concat_op.cc"
   "${CMAKE_CURRENT_SOURCE_DIR}/int8_conv_op.cc"
+  "${CMAKE_CURRENT_SOURCE_DIR}/int8_conv_op_relu.cc"
   "${CMAKE_CURRENT_SOURCE_DIR}/int8_conv_transpose_op.cc"
   "${CMAKE_CURRENT_SOURCE_DIR}/int8_dequantize_op.cc"
   "${CMAKE_CURRENT_SOURCE_DIR}/int8_fc_op.cc"