Do not escape libxml++ it is not needed as it is not used in regular expression

anymore

deskutils/pinot/Makefile

@@ -20,7 +20,7 @@ LIB_DEPENDS=	libxapian.so:${PORTSDIR}/databases/xapian-core		\
 		libgtkmm-2.4.so:${PORTSDIR}/x11-toolkits/gtkmm24	\
 		libexttextcat-2.0.so:${PORTSDIR}/textproc/libexttextcat	\
 		libdbus-glib-1.so:${PORTSDIR}/devel/dbus-glib		\
-		libxml\+\+-2.6.so:${PORTSDIR}/textproc/libxml++26	\
+		libxml++-2.6.so:${PORTSDIR}/textproc/libxml++26	\
 		libboost_thread.so:${PORTSDIR}/devel/boost-libs		\
 		libexecinfo.so:${PORTSDIR}/devel/libexecinfo		\
 		libexif.so:${PORTSDIR}/graphics/libexif			\