CALF: moved some files to allow easy cherry-picking from CALF Git

Source directory structure of the CALF plugin shipped with LMMS was
not equal with original one which makes cherry-picking commits from
CALF Git impossible.

plugins/ladspa_effect/calf/CMakeLists.txt

@@ -1,10 +1,10 @@
-FILE(GLOB SOURCES *.cpp)
+FILE(GLOB SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp)
 ADD_LIBRARY(calf MODULE ${SOURCES})
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/calf)
 INSTALL(TARGETS calf LIBRARY DESTINATION ${PLUGIN_DIR}/ladspa)
 ADD_DEFINITIONS(-DUSE_LADSPA=1)
 SET_TARGET_PROPERTIES(calf PROPERTIES PREFIX "")
-SET_TARGET_PROPERTIES(calf PROPERTIES COMPILE_FLAGS "-O2 -finline-limit=80 -funroll-loops")
+SET_TARGET_PROPERTIES(calf PROPERTIES COMPILE_FLAGS "-O2 -finline-limit=80 -finline-functions -finline-functions-called-once")
 
 IF(LMMS_BUILD_WIN32)
 	ADD_CUSTOM_COMMAND(TARGET calf POST_BUILD COMMAND ${STRIP} ${CMAKE_CURRENT_BINARY_DIR}/calf.dll)