Closes #11: reordering vars in result struct - found in GUI testing.

Author: wkozmaNTIA

dotnet/ITS.Propagation.P528/Result.cs

@@ -44,6 +44,11 @@ public struct Result
             /// </summary>
             public ModeOfPropagation ModeOfPropagation;
 
+            /// <summary>
+            /// Warning flags
+            /// </summary>
+            public int warnings;
+
             /// <summary>
             /// Path distance used in calculations, in km
             /// </summary>
@@ -68,11 +73,6 @@ public struct Result
             /// Elevation angle of the ray at the low terminal, in rad
             /// </summary>
             public double theta_h1__rad;
-
-            /// <summary>
-            /// Warning flags
-            /// </summary>
-            public int warnings;
         }
     }
 }