dstarparse, hoaparse: rename inline namespace to please clang

The namespace dstaryy was declared inline and then reopened as
non-inline.  Likewise for hoayy.  Let's use different names.

* src/dstarparse/dstarparse.yy, src/hoaparse/hoaparse.yy: Here.

src/dstarparse/dstarparse.yy

@@ -34,7 +34,7 @@
 #include "ltlast/constant.hh"
 #include "public.hh"
 
-  inline namespace dstaryy
+  inline namespace dstaryy_support
   {
     typedef std::map<int, bdd> map_t;
 

src/hoaparse/hoaparse.yy

@@ -40,7 +40,7 @@
 #include "priv/accmap.hh"
 #include "ltlparse/public.hh"
 
-  inline namespace hoayy
+  inline namespace hoayy_support
   {
     /* Cache parsed formulae.  Labels on arcs are frequently identical
        and it would be a waste of time to parse them to formula* over and