fix path argument in cmake script

Author: melode11

test/README.md

@@ -1,4 +1,4 @@
 Use following instruction to build.
 ```bash
-cmake -DBOOST_LIB=D:\boost_1_57_0\boost_1_57_0\build\lib -DBOOST_INCLUDE=D:\boost_1_57_0\boost_1_57_0 -DBOOST_VER:STRING=1.57.0 -DCMAKE_BUILD_TYPE=Debug ./
+cmake -DBOOST_LIB=`<your boost static libs path>` -DBOOST_INCLUDE`<your boost include path>` -DBOOST_VER:STRING=`<your boost version>` -DCMAKE_BUILD_TYPE=Debug ./
 ```