[gegl] gegl: fix some typos and trailing whitespaces.

[Jehan Pagès <jehanp src gnome org>]

commit 561a1ae5ef344629dc55109f5b2cac4d17a2774b
Author: Jehan <jehan girinstud io>
Date:   Fri Jun 16 17:30:53 2017 +0200

    gegl: fix some typos and trailing whitespaces.

 gegl/buffer/gegl-buffer.c |    4 ++--
 gegl/buffer/gegl-buffer.h |    8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer.c b/gegl/buffer/gegl-buffer.c
index b233778..9567868 100644
--- a/gegl/buffer/gegl-buffer.c
+++ b/gegl/buffer/gegl-buffer.c
@@ -1118,7 +1118,7 @@ gegl_buffer_try_lock (GeglBuffer *buffer)
     GeglTileBackend *backend = gegl_buffer_backend (buffer);
 
     gboolean threaded = gegl_config_threads ()>1;
-    
+
     if (threaded)
       g_mutex_lock (&buffer->tile_storage->mutex);
     if (buffer->lock_count > 0)
@@ -1197,7 +1197,7 @@ glong gegl_buffer_signal_connect (GeglBuffer *buffer,
 {
   buffer->changed_signal_connections++;
   return g_signal_connect(buffer, detailed_signal, c_handler, data);
-} 
+}
 
 GeglTile *
 gegl_buffer_get_tile (GeglBuffer *buffer,
diff --git a/gegl/buffer/gegl-buffer.h b/gegl/buffer/gegl-buffer.h
index a7b9fb1..83c4f0d 100644
--- a/gegl/buffer/gegl-buffer.h
+++ b/gegl/buffer/gegl-buffer.h
@@ -316,7 +316,7 @@ void            gegl_buffer_set_pattern       (GeglBuffer          *buffer,
  *
  * Get the babl format of the buffer, this might not be the format the buffer
  * was originally created with, you need to use gegl_buffer_set_format (buf,
- * NULL); to retireve the original format (potentially having save away the
+ * NULL); to retrieve the original format (potentially having saved away the
  * original format of the buffer to re-set it.)
  *
  * Returns: the babl format used for storing pixels in the buffer.
@@ -335,7 +335,7 @@ const Babl *    gegl_buffer_get_format        (GeglBuffer           *buffer);
  * original format. If NULL is passed in the format of the buffer is reset to
  * the original format.
  *
- * Returns: the new babl format or NULL if it the passed in buffer was
+ * Returns: the new babl format or NULL if the passed-in buffer was
  * incompatible (then the original format is still used).
  */
 const Babl *    gegl_buffer_set_format        (GeglBuffer          *buffer,
@@ -347,7 +347,7 @@ const Babl *    gegl_buffer_set_format        (GeglBuffer          *buffer,
  * @roi: a rectangular region
  *
  * Clears the provided rectangular region by setting all the associated memory
- * to 0
+ * to 0.
  */
 void            gegl_buffer_clear             (GeglBuffer          *buffer,
                                                const GeglRectangle *roi);
@@ -362,7 +362,7 @@ void            gegl_buffer_clear             (GeglBuffer          *buffer,
  * @dst_rect: position of upper left destination pixel, or NULL for top
  * left coordinates of the buffer extents.
  *
- * copies a region from source buffer to destination buffer.
+ * Copy a region from source buffer to destination buffer.
  *
  * If the babl_formats of the buffers are the same, and the tile boundaries
  * align, this will create copy-on-write tiles in the destination buffer.