Force rs_loader to build always.

Author: viferga

source/loaders/rs_loader/rust/CMakeLists.txt

@@ -40,7 +40,7 @@ endif()
 
 set(TARGET_OUTPUT ${TARGET_OUTPUT_PATH}/${TARGET_OUTPUT_NAME})
 
-add_custom_target(${target}
+add_custom_target(${target} ALL
 	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 	COMMAND ${CARGO_EXECUTABLE} build ${TARGET_BUILD_TYPE}
 	COMMAND ${CMAKE_COMMAND} -E copy ${TARGET_BUILD_PATH} ${TARGET_OUTPUT}