Enable config mode serach procedure for FindBoost in CMakeLists.txt

This avoids the following warning at configuration time:
```
CMake Warning (dev) at CMakeLists.txt:20 (find_package):
  Policy CMP0167 is not set: The FindBoost module is removed.  Run "cmake
  --help-policy CMP0167" for policy details.  Use the cmake_policy command to
  set the policy and suppress this warning.

This warning is for project developers.  Use -Wno-dev to suppress it.
```

CMakeLists.txt

@@ -17,7 +17,7 @@ find_package(ROOT REQUIRED COMPONENTS MathMore RooFitCore RooFit RooStats HistFa
 find_package(Eigen3 REQUIRED)
 find_package(Vdt)
 find_package(LCG QUIET) # only used for FindBoost in StatAnalysis
-find_package( Boost REQUIRED COMPONENTS program_options filesystem )
+find_package(Boost REQUIRED COMPONENTS program_options filesystem)
 
 message(STATUS "Using ROOT From: ${ROOT_INCLUDE_DIRS}")
 include(${ROOT_USE_FILE})