Include gdbm library in gdbm_compat linker file to fix problems with
 --as-needed. Bug 143580

--- Makefile.in
+++ Makefile.in
@@ -161,7 +161,7 @@
 libgdbm_compat.la: $(C_LOBJS) gdbm.h
 	rm -f libgdbm_compat.la
 	$(LIBTOOL) --mode=link $(CC) -o libgdbm_compat.la -rpath $(libdir) \
-		-version-info $(SHLIB_VER) $(C_LOBJS)
+		-version-info $(SHLIB_VER) $(C_LOBJS) -lgdbm
 
 gdbm.h:	gdbm.proto gdbmerrno.h gdbm.proto2
 	rm -f gdbm.h