fixed typo in enum

modules/gpu/src/cuda/ccomponetns.cu

@@ -58,8 +58,8 @@ namespace cv { namespace gpu { namespace device
             CTA_SIZE_X = 32,
             CTA_SIZE_Y = 8,
 
-            STA_SIZE_MARGE_Y = 4,
-            STA_SIZE_MARGE_X = 32,
+            STA_SIZE_MERGE_Y = 4,
+            STA_SIZE_MERGE_X = 32,
 
             TPB_X = 1,
             TPB_Y = 4,
@@ -500,7 +500,7 @@ namespace cv { namespace gpu { namespace device
             while (grid.x > 1 || grid.y > 1)
             {
                 dim3 mergeGrid(ceilf(grid.x / 2.0), ceilf(grid.y / 2.0));
-                dim3 mergeBlock(STA_SIZE_MARGE_X, STA_SIZE_MARGE_Y);
+                dim3 mergeBlock(STA_SIZE_MERGE_X, STA_SIZE_MERGE_Y);
                 // debug log
                 // std::cout << "merging: " << grid.y  << " x " << grid.x << " ---> " << mergeGrid.y <<  " x " << mergeGrid.x << " for tiles: " << tileSizeY << " x " << tileSizeX << std::endl;
                 crossMerge<<<mergeGrid, mergeBlock, 0, stream>>>(2, 2, tileSizeY, tileSizeX, edges, comps, ceilf(grid.y / 2.0) - grid.y / 2, ceilf(grid.x / 2.0) - grid.x / 2);