Improve CALF's CMakelists

Let CALF's CMakelists apply the name filter only on the basenames of the
files, but not on their directories. This prevents errors if the LMMS folder
is under a directory which contains, e.g., "lv2".

plugins/LadspaEffect/calf/CMakeLists.txt

@@ -16,8 +16,9 @@ LIST(SORT SOURCES)
 # Skip files matching pattern
 SET(FILE_PATTERNS "ctl;gui;gtk;session;connector;jack;rdf;draw;fluid;preset;lv2;benchmark;win;plugin.cpp")
 FOREACH(_item ${SOURCES})
+	GET_FILENAME_COMPONENT(m_basename ${_item} NAME)
 	FOREACH(_pattern ${FILE_PATTERNS})
-		IF(${_item} MATCHES ${_pattern})
+		IF(${m_basename} MATCHES ${_pattern})
 			LIST(REMOVE_ITEM SOURCES ${_item})
 		ENDIF()
 	ENDFOREACH()