configure: Windows SDKs < 7.1 are not supported, do not check for them
configure: Windows SDKs < 7.1 are not supported, do not check for them

Change-Id: I3558ca7fa3d2a2c47d1066e3bd24aeb7619452e0

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core