drm/i915: remove newline from a no_fbc_reason message

Newlines are not needed and they're not used by the other messages. I
added the newline by mistake.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446664257-32012-14-git-send-email-paulo.r.zanoni@intel.comSigned-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

drivers/gpu/drm/i915/intel_fbc.c

@@ -955,7 +955,7 @@ static void __intel_fbc_update(struct drm_i915_private *dev_priv)
 	}
 
 	intel_fbc_schedule_enable(intel_crtc);
-	dev_priv->fbc.no_fbc_reason = "FBC enabled (not necessarily active)\n";
+	dev_priv->fbc.no_fbc_reason = "FBC enabled (not necessarily active)";
 	return;
 
 out_disable: