Remove autogenerated db schema files to make sure the source tree is in the same state as the original after a make proper

git-svn-id: https://openser.svn.sourceforge.net/svnroot/openser/trunk@2916 689a6050-402a-0410-94f2-e92a70836424

lib/srdb1/schema/Makefile

@@ -165,6 +165,7 @@ docbook:
 
 docbook_clean:
 	-@rm -f $(ROOT)/doc/database/*.xml
+	-@rm -f $(ROOT)/doc/database/tables.sgml
 
 
 .PHONY: clean