Fix some typos

modules/imgcodecs/src/exif.cpp

@@ -215,7 +215,7 @@ size_t ExifReader::getFieldSize ()
  * @brief Filling m_exif member with exif directory elements
  *          This is internal function and is not exposed to client
  *
- *  @return The function doesn't return any value. In case of unsiccessful parsing
+ *  @return The function doesn't return any value. In case of unsuccessful parsing
  *      the m_exif member is not filled up
  */
 void ExifReader::parseExif()

modules/imgcodecs/src/rgbe.cpp

@@ -51,7 +51,7 @@
 // developed by Greg Ward.  It handles the conversions between rgbe and
 // pixels consisting of floats.  The data is assumed to be an array of floats.
 // By default there are three floats per pixel in the order red, green, blue.
-// (RGBE_DATA_??? values control this.)  Only the mimimal header reading and
+// (RGBE_DATA_??? values control this.)  Only the minimal header reading and
 // writing is implemented.  Each routine does error checking and will return
 // a status value as defined below.  This code is intended as a skeleton so
 // feel free to modify it to suit your needs.