protoc-gen-c: FileGenerator::GenerateHeader(): "protoc-c" → "protobuf-c"

protoc-gen-c/c_file.cc

@@ -134,15 +134,15 @@ void FileGenerator::GenerateHeader(google::protobuf::io::Printer* printer) {
     "filename_identifier", filename_identifier);
 
   // Verify the protobuf-c library header version is compatible with the
-  // protoc-c version before going any further.
+  // protoc-gen-c version before going any further.
   printer->Print(
     "#if PROTOBUF_C_VERSION_NUMBER < $min_header_version$\n"
-    "# error This file was generated by a newer version of protoc-c which is "
+    "# error This file was generated by a newer version of protobuf-c which is "
     "incompatible with your libprotobuf-c headers. Please update your headers.\n"
     "#elif $protoc_version$ < PROTOBUF_C_MIN_COMPILER_VERSION\n"
-    "# error This file was generated by an older version of protoc-c which is "
+    "# error This file was generated by an older version of protobuf-c which is "
     "incompatible with your libprotobuf-c headers. Please regenerate this file "
-    "with a newer version of protoc-c.\n"
+    "with a newer version of protobuf-c.\n"
     "#endif\n"
     "\n",
     "min_header_version", SimpleItoa(min_header_version),