Description: Don't fail if 3 arguments are passed to highlight
 Fix an off-by-one error causing the highlight option to fail if it was passed 3
 arguments.
Origin: upstream, https://github.com/akrennmair/newsbeuter/commit/e5617b71d5bf1bfc996f6b0a3142dd52cb894dd9
Bug: https://github.com/akrennmair/newsbeuter/issues/225

--- a/src/regexmanager.cpp
+++ b/src/regexmanager.cpp
@@ -54,7 +54,7 @@
 				throw confighandlerexception(utils::strprintf(_("`%s' is not a valid color"), params[2].c_str()));
 			colorstr.append(params[2]);
 		}
-		if (params.size() > 2) {
+		if (params.size() > 3) {
 			if (params[3] != "default") {
 				if (colorstr.length() > 0)
 					colorstr.append(",");