dthelp: get parts of it building.

This was a patch from Peter G, though modified a bit regarding the
LDADDs the way we do them now.

cde/programs/dthelp/dthelpgen/Makefile.am

@@ -4,9 +4,10 @@ bin_PROGRAMS = dthelpgen
 
 bin_SCRIPTS = dthelpgen.dtsh
 
-dthelpgen_CPPFLAGS = -I.. -DCDE_INSTALLATION_TOP=\"$(CDE_INSTALLATION_TOP)\" \
-		   -DCDE_CONFIGURATION_TOP=\"$(CDE_CONFIGURATION_TOP)\"
+dthelpgen_CPPFLAGS = -DCDE_INSTALLATION_TOP=\"$(CDE_INSTALLATION_TOP)\" \
+		   -DCDE_CONFIGURATION_TOP=\"$(CDE_CONFIGURATION_TOP)\" \
+		   -I ../../../lib/DtHelp
 
-dthelpgen_LDADD = $(LIBHELP) $(LIBSVC) $(LIBTT) $(XTOOLLIB) ${X_LIBS}
+dthelpgen_LDADD = $(DTCLIENTLIBS) $(XTOOLLIB)
 
 dthelpgen_SOURCES = helpgen.c