Bug 5094 - Code cleanup, patch by Zack Middleton and DevHC. Fixes unused-but-set gcc warnings

code/cgame/cg_players.c

@@ -1575,7 +1575,6 @@ CG_DustTrail
 */
 static void CG_DustTrail( centity_t *cent ) {
 	int				anim;
-	localEntity_t	*dust;
 	vec3_t end, vel;
 	trace_t tr;
 
@@ -1607,7 +1606,7 @@ static void CG_DustTrail( centity_t *cent ) {
 	end[2] -= 16;
 
 	VectorSet(vel, 0, 0, -30);
-	dust = CG_SmokePuff( end, vel,
+	CG_SmokePuff( end, vel,
 				  24,
 				  .8f, .8f, 0.7f, 0.33f,
 				  500,