fix a bad merge

in 10.1+ one should use

MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-address-of-packed-member")

and it's already done in storage/tokudb/PerconaFT/CMakeLists.txt

storage/tokudb/CMakeLists.txt

@@ -49,12 +49,6 @@ MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-vla" DEBUG)
 MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-implicit-fallthrough")
 MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-cpp" DEBUG)
 
-CHECK_C_COMPILER_FLAG("-Wno-address-of-packed-member" HAVE_NO_ADDRESS_PACKED)
-IF(HAVE_NO_ADDRESS_PACKED)
-  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-address-of-packed-member")
-  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-address-of-packed-member")
-ENDIF()
-
 ############################################
 SET(TOKUDB_DEB_FILES "usr/lib/mysql/plugin/ha_tokudb.so\netc/mysql/conf.d/tokudb.cnf\nusr/bin/tokuftdump" PARENT_SCOPE)
 MARK_AS_ADVANCED(BUILDNAME)