Windows build fixes for CMake

mysys/cmakelists.txt:
  Add new file to build.
tests/cmakelists.txt:
  Add new dependency on mysys

mysys/cmakelists.txt

@@ -26,4 +26,4 @@ ADD_LIBRARY(mysys array.c charset-def.c charset.c checksum.c default.c default_m
 				my_static.c my_symlink.c my_symlink2.c my_sync.c my_thr_init.c my_wincond.c
 				my_windac.c my_winsem.c my_winthread.c my_write.c ptr_cmp.c queues.c
 				rijndael.c safemalloc.c sha1.c string.c thr_alarm.c thr_lock.c thr_mutex.c
-				thr_rwlock.c tree.c typelib.c my_vle.c base64.c)
+				thr_rwlock.c tree.c typelib.c my_vle.c base64.c my_memmem.c)

tests/cmakelists.txt

@@ -6,4 +6,4 @@ ADD_DEFINITIONS("-DMYSQL_CLIENT")
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include)
 
 ADD_EXECUTABLE(mysql_client_test mysql_client_test.c)
-TARGET_LINK_LIBRARIES(mysql_client_test dbug mysqlclient yassl taocrypt zlib wsock32)
+TARGET_LINK_LIBRARIES(mysql_client_test dbug mysys mysqlclient yassl taocrypt zlib wsock32)