--- a/Makefile.in
+++ b/Makefile.in
@@ -107,17 +107,17 @@ endif
 include $(topsrcdir)/mozilla/toolkit/mozapps/installer/package-name.mk
 
 ifeq ($(OS_ARCH),WINNT)
   # PDB files don't get moved to dist, so we need to scan the whole objdir
   MAKE_SYM_STORE_PATH=..
 endif
 
 buildsymbols :: $(SUBMAKEFILES)
-	$(MAKE) -C mozilla MAKE_SYM_STORE_PATH=$(MAKE_SYM_STORE_PATH) SYM_STORE_SOURCE_DIRS="$(topsrcdir)/mozilla/extensions/inspector $(topsrcdir)/mozilla $(topsrcdir)" $@
+	$(MAKE) -C mozilla MAKE_SYM_STORE_PATH=$(MAKE_SYM_STORE_PATH) SYM_STORE_SOURCE_DIRS="$(topsrcdir)/mozilla/extensions/inspector $(topsrcdir)/ldap/sdks/c-sdk $(topsrcdir)/mozilla $(topsrcdir)" $@
 
 include $(topsrcdir)/config/rules.mk
 
 # defined in (mozilla/.../)package-name.mk
 export MOZ_SOURCE_STAMP
 
 DIST_GARBAGE = config.cache config.log config.status config-defs.h \
    dependencies.beos config/autoconf.mk \