Added message about -h

f761ad58 · Davis King · 809c9fb2 · f761ad58
Commit f761ad58 authored Sep 16, 2016 by Davis King
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main.cpp tools/imglab/src/main.cpp +3 -0

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--- a/tools/imglab/src/main.cpp
+++ b/tools/imglab/src/main.cpp
@@ -1156,6 +1156,9 @@ int main(int argc, char** argv)
            }
            editor.wait_until_closed();
        }
+        cout << "Invalid command, give -h to see options." << endl;
+        return EXIT_FAILURE;
    }
    catch (exception& e)
    {