Fix cmake warning

Author: nyalldawson

src/native/CMakeLists.txt

@@ -61,7 +61,7 @@ IF(UNIX AND NOT APPLE)
   SET(QGIS_NATIVE_SRCS ${QGIS_NATIVE_SRCS}
     ${QGIS_APP_LINUX_SRCS}
   )
-ENDIF(UNIX)
+ENDIF(UNIX AND NOT APPLE)
 
 SET(QGIS_NATIVE_HDRS
   qgsnative.h
@@ -139,7 +139,7 @@ TARGET_LINK_LIBRARIES(qgis_native
 
 IF (UNIX AND NOT APPLE)
   TARGET_LINK_LIBRARIES(qgis_native Qt5DBus)
-ENDIF (UNIX)
+ENDIF (UNIX AND NOT APPLE)
 
 IF (WIN32)
   FIND_PACKAGE(Qt5WinExtras)