Make script crash on error

Author: TheAssassin

travis/build-appimage.sh

@@ -8,4 +8,4 @@ cd out/
 
 ./appimagetool.AppDir/AppRun ./appimagetool.AppDir/ -s -v \
     -u "gh-releases-zsync|AppImage|AppImageKit|continuous|appimagetool-$ARCH.AppImage.zsync" \
-    appimagetool-"$ARCH".AppImage || true
+    appimagetool-"$ARCH".AppImage