Fix npe when one uses the back button to get rid of the query instead of executing...

git-svn-id: https://openrocket.svn.sourceforge.net/svnroot/openrocket/trunk@377 180e2498-e6e9-4542-8430-84ac67f01cd8

diff --git a/android/src/net/sf/openrocket/android/thrustcurve/TCQueryAction.java b/android/src/net/sf/openrocket/android/thrustcurve/TCQueryAction.java
index 62d7cad3fa5591615ba9da1add628d4f3d676562..70dc4b79be5d41d1ae8c3cdc50437cd9fe145ab7 100644 (file)
--- a/android/src/net/sf/openrocket/android/thrustcurve/TCQueryAction.java
+++ b/android/src/net/sf/openrocket/android/thrustcurve/TCQueryAction.java
@@ -83,7 +83,7 @@ public class TCQueryAction {
                \r
                mDbHelper.close();\r
                \r
-               if ( progress.isShowing() ) {\r
+               if ( progress != null && progress.isShowing() ) {\r
                        progress.dismiss();\r
                }\r
        }\r