shut up some pesty warnings

OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs

@@ -809,7 +809,7 @@ namespace OpenSim.Region.CoreModules.Asset
 
                     return;
                 }
-                catch (UnauthorizedAccessException e)
+                catch (UnauthorizedAccessException)
                 {
                 }
                 finally

OpenSim/Region/CoreModules/Scripting/HttpRequest/ScriptsHttpRequests.cs

@@ -666,7 +666,8 @@ namespace OpenSim.Region.CoreModules.Scripting.HttpRequest
                     ResponseBody = e.Message;
                 }
             }
-            catch (Exception e)
+//            catch (Exception e)
+            catch
             {
                 // Don't crash on anything else
             }

OpenSim/Region/CoreModules/World/Land/LandObject.cs

@@ -1396,9 +1396,9 @@ namespace OpenSim.Region.CoreModules.World.Land
             byte[] tempConvertArr = new byte[LandBitmap.GetLength(0) * LandBitmap.GetLength(1) / 8];
 
             int tempByte = 0;
-            int i, byteNum = 0;
+            int byteNum = 0;
             int mask = 1;
-            i = 0;
+
             for (int y = 0; y < LandBitmap.GetLength(1); y++)
             {
                 for (int x = 0; x < LandBitmap.GetLength(0); x++)

OpenSim/Region/CoreModules/World/Wind/WindModule.cs

@@ -47,7 +47,6 @@ namespace OpenSim.Region.CoreModules
 
         private uint m_frame = 0;
         private int m_dataVersion = 0;
-        private int m_regionID = 0;
         private int m_frameUpdateRate = 150;
         //private Random m_rndnums = new Random(Environment.TickCount);
         private Scene m_scene = null;