tests/check/elements/alphacolor.c: Remove two unused variables.

Original commit message from CVS:
* tests/check/elements/alphacolor.c:
Remove two unused variables.

ChangeLog

+2008-01-29  Stefan Kost  <ensonic@users.sf.net>
+
+	* tests/check/elements/alphacolor.c:
+	  Remove two unused variables.
+
 2008-01-28  Tim-Philipp Müller  <tim at centricular dot net>
 	* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_parse_rtpinfo):

tests/check/elements/alphacolor.c

@@ -165,9 +165,7 @@ GST_START_TEST (test_rgb24)
 {
   GstElement *alphacolor;
   GstBuffer *inbuffer;
-  GstBuffer *outbuffer;
   GstCaps *incaps;
-  guint outlength;
 
   incaps = create_caps_rgb24 ();
   alphacolor = setup_alphacolor ();