cmake WinPR examples

KDE/krdp CMakeLists.txt :47 

find_package(WinPR 3.1 REQUIRED)

FreeRDP/FreeRDP CMakeLists.txt :528 

find_package(WinPR 3 REQUIRED)

FreeRDP/Remmina plugins/CMakeLists.txt :67 

find_package(WinPR ${FREERDP_REQUIRED_VERSION} )