Add check for writing in TableBlockStorage with all rows filled (addRow returns false in this case)

src/Various/TableBlockStorage.cc

@@ -259,7 +259,11 @@ bool TableBlockStorage::addRow(void* key, void* value)
 
 	/*!    ,  pos>=0,    ,      empty */
 	if(pos>=0) empty=pos;
-	else memcpy(keyPointer(empty),key,k_size);
+	else
+	{
+		if( empty<0 ) return false; /*!  false,      */
+		memcpy(keyPointer(empty),key,k_size);
+	}
 
 	elemPointer(empty)->count=++max;
 	memcpy(valPointer(empty),value,inf_size);