Addresses issue #487

See also response by Craig Scott at
https://gitlab.kitware.com/cmake/cmake/-/issues/20636
asserting that having COMPONENT after INCLUDES DESTINATION is
"malformed".

PlayRho/CMakeLists.txt

@@ -141,11 +141,11 @@ if(PLAYRHO_INSTALL)
 	# install libraries
 	install(TARGETS PlayRho
 		EXPORT PlayRho-targets
+		COMPONENT Library
 		LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 		ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 		RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 		INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
-		COMPONENT Library
 	)
 
 	# install build system hooks for third-party apps