fix build breakage introduced in last commit

also see 37abef2d6b

configure.ac

@@ -212,10 +212,13 @@ AC_ARG_WITH(matedesktop,
 AM_CONDITIONAL([WITH_MATEDESKTOP],[test "$with_matedesktop" = "yes"])
 
 if test "$with_matedesktop" = "yes"; then
-        PKG_CHECK_MODULES([SHELL_CORE], mate-desktop-2.0 >= $MATEDESKTOP_REQUIRED)
+        PKG_CHECK_MODULES([MATE_DESKTOP], mate-desktop-2.0 >= $MATEDESKTOP_REQUIRED)
         AC_DEFINE([WITH_MATEDESKTOP],[1],[Define if mate-desktop support is enabled])
 fi
 
+AC_SUBST([MATE_DESKTOP_CFLAGS])
+AC_SUBST([MATE_DESKTOP_LIBS])
+
 dnl ================================================================
 dnl GSettings related settings
 dnl ================================================================

pluma/Makefile.am

@@ -10,6 +10,7 @@ AM_CPPFLAGS =								\
 	-I$(srcdir)							\
 	-I$(srcdir)/smclient						\
 	$(PLUMA_CFLAGS)							\
+	$(MATE_DESKTOP_CFLAGS)						\
 	$(WARN_CFLAGS)							\
 	$(DISABLE_DEPRECATED_CFLAGS)					\
 	-DDATADIR=\""$(datadir)"\"					\
@@ -26,7 +27,8 @@ libpluma_la_LDFLAGS = -export-dynamic -no-undefined -export-symbols-regex "^[[^_
 
 libpluma_la_LIBADD = \
 	dialogs/libdialogs.la		\
-	smclient/libeggsmclient.la
+	smclient/libeggsmclient.la	\
+	$(MATE_DESKTOP_LIBS)
 
 # PLUMA_LIBS must be the last to ensure correct order on some platforms
 libpluma_la_LIBADD += $(PLUMA_LIBS) -lICE