Freebsd: Cmake: fix etc path

CMakeLists.txt

@@ -24,7 +24,7 @@ endif ()
 cmake_policy (SET CMP0014 OLD) # Ignore warning about CMakeLists.txt in each directory
 cmake_policy (SET CMP0012 NEW) # Don't dereference TRUE and FALSE
 
-if (NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE MATCHES "None")
+if (NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE STREQUAL "None")
     message (STATUS "CMAKE_BUILD_TYPE is not set, set to default = RELWITHDEBINFO")
     set (CMAKE_BUILD_TYPE "RELWITHDEBINFO")
 endif ()
@@ -137,10 +137,10 @@ if (ENABLE_TESTS)
 endif ()
 
 # when installing to /usr - place configs to /etc but for /usr/local place to /usr/local/etc
-if (CMAKE_INSTALL_PREFIX MATCHES "/usr")
-    set (CLICKHOUSE_ETC_DIR /etc)
+if (CMAKE_INSTALL_PREFIX STREQUAL "/usr")
+    set (CLICKHOUSE_ETC_DIR "/etc")
 else ()
-    set (CLICKHOUSE_ETC_DIR ${CMAKE_INSTALL_PREFIX}/etc)
+    set (CLICKHOUSE_ETC_DIR "${CMAKE_INSTALL_PREFIX}/etc")
 endif ()
 
 option (UNBUNDLED "Try find all libraries in system (if fail - use bundled from contrib/)" OFF)