.gitignore: ignore "tags"

Change-Id: I79dc9c9bb2ad299adb6b06b66410d12a9b77c3cd

.gitignore

@@ -24,15 +24,9 @@
 /workdir
 /solver
 
-# these two are dubbious. when the installed is reworked
-# it would be best to find them a new home
-/instsetoo_native/util/LibreOffice
-/instsetoo_native/util/LibreOffice_SDK
-
 # where the external downloads maybe located
 /src
 
-
 # autoconf generated stuff
 /aclocal.m4
 /autom4te.cache
@@ -57,6 +51,10 @@
 /AUTHORS
 /MAINTAINERS
 
+# make tags
+
+/tags
+
 # backup and temporary editor files: the only convinience rules allowed here.
 *~
 .*sw?