Make replace utility a Client component

based on the man-page
```
The replace program is used by msql2mysql. See msql2mysql(1).
```
msql2mysql is labeled as Client component, so should the dependency

Closes PR #900

extra/CMakeLists.txt

@@ -87,7 +87,7 @@ IF(WITH_INNOBASE_STORAGE_ENGINE)
   ADD_DEPENDENCIES(innochecksum GenError)
 ENDIF()
 
-MYSQL_ADD_EXECUTABLE(replace replace.c COMPONENT Server)
+MYSQL_ADD_EXECUTABLE(replace replace.c COMPONENT Client)
 TARGET_LINK_LIBRARIES(replace mysys)
 
 IF(UNIX)