loplugin:stringconstant, this should be a break

after commit dce867e8
"loplugin:stringconstant handle calls to constructors with one arg"

Change-Id: Ib572d904a95aa96aab3c799f9b7cfb505fcee5e6

compilerplugins/clang/stringconstant.cxx

@@ -68,7 +68,7 @@ bool hasOverloads(FunctionDecl const * decl, unsigned arguments) {
         {
             auto consDecl = dyn_cast<CXXConstructorDecl>(f);
             if (consDecl && consDecl->isCopyConstructor()) {
-                break;
+                continue;
             }
             ++n;
             if (n == 2) {