Merge branch 'safehandle' of https://github.com/shimat/opencvsharp into safehandle

Author: shimat

src/OpenCvSharp/Modules/core/OutputArray.cs

@@ -69,10 +69,11 @@ internal OutputArray(IEnumerable<Mat> mat)
     {
         if (mat is null)
             throw new ArgumentNullException(nameof(mat));
+        IntPtr p;
         using (var matVector = new VectorOfMat(mat))
         {
             NativeMethods.HandleException(
-                NativeMethods.core_OutputArray_new_byVectorOfMat(matVector.CvPtr, out var p));
+                NativeMethods.core_OutputArray_new_byVectorOfMat(matVector.CvPtr, out p));
         }
         obj = mat;
         InitSafeHandle(p);

src/OpenCvSharp/Modules/stitching/AffineBestOf2NearestMatcher.cs

@@ -29,7 +29,7 @@ public AffineBestOf2NearestMatcher(
         int numMatchesThresh1 = 6)
         : base(Create(fullAffine, tryUseGpu, matchConf, numMatchesThresh1))
     {
-        InitSafeHandle(p);
+        InitSafeHandle(ptr);
     }
 
     private static IntPtr Create(

src/OpenCvSharp/Modules/stitching/BestOf2NearestMatcher.cs

@@ -24,7 +24,7 @@ public BestOf2NearestMatcher(
         int numMatchesThresh2 = 6)
         : base(Create(tryUseGpu, matchConf, numMatchesThresh1, numMatchesThresh2))
     {
-        InitSafeHandle(p);
+        InitSafeHandle(ptr);
     }
 
     /// <summary>