Fixed crash in BVHDecoder - ReadBytesUntilNull was reading until newline instead of null

Fixed crash in PrimMesher - Profile::Copy was not copying correctly
Fixed crash in PrmiMesher - SculptMap::ScaleImage was disposing live SKBitmap's

LibreMetaverse/BVHDecoder.cs

@@ -181,7 +181,7 @@ namespace OpenMetaverse
             for (var j = i; j < data.Length; j++)
             {
                 char spot = Convert.ToChar(data[j]);
-                if (spot == '\n')
+                if (spot == '\0')
                 {
                     endpos = j;
                     break;

PrimMesher/PrimMesher.cs

@@ -1058,7 +1058,9 @@ namespace LibreMetaverse.PrimMesher
 
             if (needFaces)
                 copy.faces.AddRange(faces);
-            if (copy.calcVertexNormals == calcVertexNormals)
+
+            copy.calcVertexNormals = calcVertexNormals;
+            if (calcVertexNormals)
             {
                 copy.vertexNormals.AddRange(vertexNormals);
                 copy.faceNormal = faceNormal;

PrimMesher/SculptMap.cs

@@ -121,6 +121,10 @@ namespace LibreMetaverse.PrimMesher
             }
             catch (Exception e)
             {
+                if (needsScaling)
+                {
+                    bm.Dispose();
+                }
                 throw new Exception("Caught exception processing byte arrays in SculptMap(): e: " + e);
             }
 
@@ -129,6 +133,11 @@ namespace LibreMetaverse.PrimMesher
                 width++;
                 height++;
             }
+
+            if (needsScaling)
+            {
+                bm.Dispose();
+            }
         }
 
         public List<List<Coord>> ToRows(bool mirror)
@@ -167,7 +176,6 @@ namespace LibreMetaverse.PrimMesher
             var info = new SKImageInfo(destWidth, destHeight);
             var scaledImage = new SKBitmap(info);
             srcImage.ScalePixels(scaledImage.PeekPixels(), new SKSamplingOptions(SKFilterMode.Linear));
-            srcImage.Dispose();
             return scaledImage;
         }
     }