Fix dtinfo search engine

cde/programs/dtinfo/DtMmdb/oliasdb/c_api_common.C

@@ -136,14 +136,14 @@ void DtMmdbQuit()
 
 }
 
-void* operator new( size_t sz )
+void* operator new( size_t sz ) throw(std::bad_alloc)
 {
    void* p = (void*)malloc(sz);
    //printf("a::operator new called(). sz= %d, allo=%x\n", sz, p);
    return p;
 }
 
-void operator delete( void* p )
+void operator delete( void* p ) throw()
 {
    //printf("a::operator free called(). alloc= %x\n", p);
    if ( p )

cde/programs/dtinfo/DtMmdb/oliasdb/collectionIterator.h

@@ -35,7 +35,7 @@ class collectionIterator
 {
 public:
    collectionIterator(info_base*, int set_position);
-   ~collectionIterator();
+   virtual ~collectionIterator();
 
 // advance the iterator to the next position.
 // A newly constructed iterator's position is