[gegl] Convert C++ style comments to C style

[Martin Nordholts <martinn src gnome org>]

commit d1562f55baa8f4b36017f9fdfdd46e7d124fc932
Author: Danny Robson <danny blubinc net>
Date:   Sat May 15 01:47:38 2010 +0000

    Convert C++ style comments to C style
    
    While a pedantic issue, this throws up warnings/errors on some compilers
    (eg, clang) which clutters compilation. May help on other compilers
    which are more strict than gcc.

 gegl/buffer/gegl-buffer.c  |    2 +-
 gegl/graph/gegl-node.c     |    2 +-
 operations/affine/affine.c |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer.c b/gegl/buffer/gegl-buffer.c
index 3c581ec..2dfdf1a 100644
--- a/gegl/buffer/gegl-buffer.c
+++ b/gegl/buffer/gegl-buffer.c
@@ -75,7 +75,7 @@
 #include "gegl-buffer-index.h"
 #include "gegl-config.h"
 
-//#define GEGL_BUFFER_DEBUG_ALLOCATIONS
+/* #define GEGL_BUFFER_DEBUG_ALLOCATIONS */
 
 /* #define GEGL_BUFFER_DEBUG_ALLOCATIONS to print allocation stack
  * traces for leaked GeglBuffers using GNU C libs backtrace_symbols()
diff --git a/gegl/graph/gegl-node.c b/gegl/graph/gegl-node.c
index a3fc8c5..9e9185f 100644
--- a/gegl/graph/gegl-node.c
+++ b/gegl/graph/gegl-node.c
@@ -845,7 +845,7 @@ gegl_node_apply_roi (GeglNode            *self,
    */
   GeglBuffer *buffer;
 
-  //g_print ("%i %i %i %i %i\n", tid, roi->x, roi->y, roi->width, roi->height);
+  /*g_print ("%i %i %i %i %i\n", tid, roi->x, roi->y, roi->width, roi->height);*/
 
   if (roi)
     {
diff --git a/operations/affine/affine.c b/operations/affine/affine.c
index fa4eb37..42ca40e 100644
--- a/operations/affine/affine.c
+++ b/operations/affine/affine.c
@@ -467,7 +467,7 @@ gegl_affine_get_source_matrix (OpAffine    *affine,
   g_assert (IS_OP_AFFINE (source));
 
   gegl_affine_create_composite_matrix (OP_AFFINE (source), output);
-  //gegl_matrix3_copy (output, OP_AFFINE (source)->matrix);
+  /*gegl_matrix3_copy (output, OP_AFFINE (source)->matrix);*/
 }
 
 static GeglRectangle