simx86: Raise nodelimit to 30000.

FreeCOM compilation never reaches this.
This is still faster than garbage collect.

Author: bartoldeman

src/base/emu-i386/simx86/trees.c

@@ -88,7 +88,7 @@ static void DumpTree (FILE *fd);
 #define FINDTREE_CACHE_HASH_MASK 0xfff
 static TNode *findtree_cache[FINDTREE_CACHE_HASH_MASK+1];
 
-static int NodeLimit = 10000;
+static int NodeLimit = 30000;
 
 static void RemoveNode_locked(TNode *G);