Minor comment fixes.

source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp

@@ -94,6 +94,11 @@ BlenderStrokeRenderer::~BlenderStrokeRenderer(){
 		_textureManager = 0;
 	}
 
+	// The freestyle_scene object is not released here.  Instead,
+	// the scene is released in free_all_freestyle_renders() in
+	// source/blender/render/intern/source/pipeline.c, after the
+	// compositor has finished.
+
 	// release objects and data blocks
 	Base *b = (Base *)freestyle_scene->base.first;
 	while(b) {

source/blender/makesdna/DNA_scene_types.h

@@ -175,7 +175,7 @@ typedef struct SceneRenderLayer {
 #define SCE_LAY_SKY		16
 #define SCE_LAY_STRAND	32
 #define SCE_LAY_FRS		64
-	/* flags between 32 and 0x8000 are set to 1 already, for future options */
+	/* flags between 64 and 0x8000 are set to 1 already, for future options */
 
 #define SCE_LAY_ALL_Z		0x8000
 #define SCE_LAY_XOR			0x10000