Better include line, alternative to Elliot Lee's patch in mozilla.patches

dbm/src/Makefile.in

@@ -27,12 +27,12 @@ CSRCS = db.c	   \
 
 LIBRARY_NAME = mozdbm
 
+LOCAL_INCLUDES = -I$(srcdir)/../include
+
 include $(topsrcdir)/config/rules.mk
 
 DEFINES += -DMEMMOVE -D__DBINTERFACE_PRIVATE $(SECURITY_FLAG)
 
-INCLUDES += -I$(srcdir)/../include
-
 ifeq ($(OS_ARCH),AIX)
 	OS_LIBS += -lc_r
 endif