Duplicate tests that are run twice as both C and C++ tests to fix parallel make: keyword_rename

Examples/test-suite/go/keyword_rename_c_runme.go

@@ -0,0 +1,8 @@
+package main
+
+import "./keyword_rename_c"
+
+func main() {
+	keyword_rename_c.Xgo(1)
+	keyword_rename_c.Xchan(1)
+}