A few typo fix

src/ccstruct/stepblob.cpp

@@ -43,7 +43,7 @@ const double kMaxPerimeterWidthRatio = 8.0;
  **********************************************************************/
 static void position_outline( // put in place
     C_OUTLINE *outline,       // thing to place
-    C_OUTLINE_LIST *destlist  // desstination list
+    C_OUTLINE_LIST *destlist  // destination list
 ) {
   C_OUTLINE_IT it = destlist; // iterator
                               // iterator on children

src/textord/colfind.cpp

@@ -142,7 +142,7 @@ ColumnFinder::~ColumnFinder() {
 }
 
 // Performs initial processing on the blobs in the input_block:
-// Setup the part_grid, stroke_width_, nontext_map.
+// Setup the part_grid_, stroke_width_, nontext_map.
 // Obvious noise blobs are filtered out and used to mark the nontext_map_.
 // Initial stroke-width analysis is used to get local text alignment
 // direction, so the textline projection_ map can be setup.

src/textord/strokewidth.h

@@ -89,7 +89,7 @@ class StrokeWidth : public BlobGrid {
   // Corrects the data structures for the given rotation.
   void CorrectForRotation(const FCOORD &rerotation, ColPartitionGrid *part_grid);
 
-  // Finds leader partitions and inserts them into the give grid.
+  // Finds leader partitions and inserts them into the given grid.
   void FindLeaderPartitions(TO_BLOCK *block, ColPartitionGrid *part_grid);
 
   // Finds and marks noise those blobs that look like bits of vertical lines