i965/disasm: Fix typo in RT UNORM write message.

The name of this message is "Render Target UNORM Write" (Sandybridge
PRM, Volume 4 Part 1, Page 210).  Drop the bogus 'c'.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>

src/mesa/drivers/dri/i965/brw_disasm.c

@@ -397,7 +397,7 @@ static const char *const dp_rc_msg_type_gen6[16] = {
       "DWORD scattered write",
    [GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE] = "RT write",
    [GEN6_DATAPORT_WRITE_MESSAGE_STREAMED_VB_WRITE] = "streamed VB write",
-   [GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_UNORM_WRITE] = "RT UNORMc write",
+   [GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_UNORM_WRITE] = "RT UNORM write",
 };
 
 static const char *const dp_dc0_msg_type_gen7[16] = {