[Release] Fix Conda CMake flags (#907)

* [Release] Fix CMake flags

* more fix

conda/dgl/bld.bat

 REM Needs vcvars64.bat to be called
 git submodule init
-git submodule update
+git submodule update --recursive
 md build
 cd build
-cmake -DUSE_CUDA=%USE_CUDA% -DUSE_OPENMP=ON -DCUDA_ARCH_NAME=All -DCMAKE_CXX_FLAGS="/DDGL_EXPORTS" -DCMAKE_CONFIGURATION_TYPES="Release" .. -G "Visual Studio 15 2017 Win64" || EXIT /B 1
+cmake -DUSE_CUDA=%USE_CUDA% -DUSE_OPENMP=ON -DCUDA_ARCH_NAME=All -DCMAKE_CXX_FLAGS="/DDGL_EXPORTS" -DCMAKE_CONFIGURATION_TYPES="Release" -DDMLC_FORCE_SHARED_CRT=ON .. -G "Visual Studio 15 2017 Win64" || EXIT /B 1
 msbuild dgl.sln || EXIT /B 1
 COPY Release\dgl.dll .
 cd ..\python

conda/dgl/build.sh

 git submodule init
-git submodule update
+git submodule update --recursive
 mkdir build
 cd build
 cmake -DUSE_CUDA=$USE_CUDA -DUSE_OPENMP=ON -DCUDA_ARCH_NAME=All ..