minor fix

Author: hjk41

cmake/Modules/FindOpenBLAS.cmake

@@ -1,10 +1,5 @@
-
-IF($ENV{OpenBLAS_HOME})
-	file(TO_CMAKE_PATH $ENV{OpenBLAS_HOME} OpenBLAS_HOME)
-ENDIF()
-IF($ENV{OpenBLAS})
-	file(TO_CMAKE_PATH $ENV{OpenBLAS} OpenBLAS_DIR)
-ENDIF()
+file(TO_CMAKE_PATH "$ENV{OpenBLAS_HOME}" OpenBLAS_HOME)
+file(TO_CMAKE_PATH "$ENV{OpenBLAS}" OpenBLAS_DIR)
 
 SET(Open_BLAS_INCLUDE_SEARCH_PATHS
   /usr/include