Update doxygen.private.config

Author: andreasdr

documentation/doxygen.private.config

@@ -13,7 +13,7 @@ HIDE_SCOPE_NAMES	= YES
 INPUT			= ../src
 INPUT			+= ../ext/tinyxml
 INPUT			+= ../README.md
-INPUT			+= ../README-Philosophy.md 
+INPUT			+= ../README-Philosophy.md
 INPUT			+= ../README-Editor.md
 INPUT			+= ../README-BuildingHowTo.md
 INPUT			+= ../README-Screenshots.md