cmake MuPDF examples

TeXworks/texworks modules/QtPDF/CMakeLists.txt :191 

FIND_PACKAGE(MuPDF REQUIRED)

xiangxw/mupdf-qt CMakeLists.txt :12 

find_package (MuPDF REQUIRED)

letoram/arcan src/frameserver/decode/default/CMakeLists.txt :47 

find_package(MuPDF)