Merge pull request #7600 from dgquintas/fix_includes

fixed include guard script and faulty .h

include/grpc++/impl/codegen/core_codegen.h

@@ -31,6 +31,9 @@
  *
  */
 
+#ifndef GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_H
+#define GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_H
+
 // This file should be compiled as part of grpc++.
 
 #include <grpc++/impl/codegen/core_codegen_interface.h>
@@ -83,3 +86,5 @@ class CoreCodegen : public CoreCodegenInterface {
 };
 
 }  // namespace grpc
+
+#endif  // GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_H

tools/distrib/check_include_guards.py

@@ -200,6 +200,6 @@ validator = GuardValidator()
 
 for filename in filename_list:
   if filename in KNOWN_BAD: continue
-  ok = validator.check(filename, args.fix)
+  ok = ok and validator.check(filename, args.fix)
 
 sys.exit(0 if ok else 1)