Fix Linux rpc problems with new glibc

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

@@ -136,7 +136,11 @@ void DtMmdbQuit()
 
 }
 
+#if __cplusplus < 201103L
 void* operator new( size_t sz ) throw(std::bad_alloc)
+#else
+void* operator new( size_t sz )
+#endif
 {
    void* p = (void*)malloc(sz);
    //printf("a::operator new called(). sz= %d, allo=%x\n", sz, p);

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

@@ -160,7 +160,7 @@ user_base::checking_status_t user_base::check_mode()
 
 user_base::checking_status_t user_base::check_lock()
 {
-   char lock_dir[PATHSIZ];
+   char lock_dir[PATHSIZ+5];
    int len;
 
    snprintf(lock_dir, sizeof(lock_dir), "%s/%s", base_path, LOCK_DIR);