Camera tracking integration

===========================

Set of small fixes for Windows platform:
- Fix undefined reference to size_t from clip_editor.c
- Fix for current frame line in cache visualizer.

source/blender/editors/space_clip/clip_draw.c

@@ -90,6 +90,8 @@ static void draw_movieclip_cache(SpaceClip *sc, ARegion *ar, MovieClip *clip, Sc
 		}
 	}
 
+	glDisable(GL_BLEND);
+
 	/* current frame */
 	x= (sc->user.framenr-sfra)/(efra-sfra+1)*ar->winx;
 
@@ -101,8 +103,6 @@ static void draw_movieclip_cache(SpaceClip *sc, ARegion *ar, MovieClip *clip, Sc
 		glVertex2f(x, 5);
 	glEnd();
 	glLineWidth(1.0);
-
-	glDisable(GL_BLEND);
 }
 
 static void draw_movieclip_buffer(ARegion *ar, ImBuf *ibuf, float zoom)

source/blender/editors/space_clip/clip_editor.c

@@ -31,6 +31,8 @@
  *  \ingroup spclip
  */
 
+#include <stddef.h>
+
 #include "BKE_main.h"
 #include "BKE_movieclip.h"
 #include "BKE_context.h"