Change the naming style of OpenMode.
diff --git a/lib/bcc/FileHandle.h b/lib/bcc/FileHandle.h
index e420f68..02dbe31 100644
--- a/lib/bcc/FileHandle.h
+++ b/lib/bcc/FileHandle.h
@@ -25,8 +25,8 @@
 namespace bcc {
   namespace OpenMode {
     enum ModeType {
-      READ,
-      WRITE
+      Read = 0,
+      Write = 1,
     };
   }
 
diff --git a/lib/bcc/Script.cpp b/lib/bcc/Script.cpp
index ea6d13a..74ecb98 100644
--- a/lib/bcc/Script.cpp
+++ b/lib/bcc/Script.cpp
@@ -186,7 +186,7 @@
 
   FileHandle file;
 
-  if (file.open(cacheFile, OpenMode::READ) < 0) {
+  if (file.open(cacheFile, OpenMode::Read) < 0) {
     // Unable to open the cache file in read mode.
     return 1;
   }
@@ -253,7 +253,7 @@
   if (cacheFile && !getBooleanProp("debug.bcc.nocache")) {
     FileHandler file;
 
-    if (file.open(cacheFile, OpenMode::WRITE) >= 0) {
+    if (file.open(cacheFile, OpenMode::Write) >= 0) {
       CacheWriter writer;
       writer.writeCacheFile(&file);
     }