src/CMakeLists.txt: remove FTLibrary.h from libftgl_la_SOURCES (it's only in ftgl_headers)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 693e49f..b0f26f6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -26,7 +26,6 @@ SET(libftgl_la_SOURCES
FTGlyphContainer.h
FTInternals.h
FTLibrary.cpp
- FTLibrary.h
FTList.h
FTPoint.cpp
FTSize.cpp