Merge pull request #156 from dreamer-dead/fix-flag-value-typename

Fix incorrect flag value typename for uint32.
diff --git a/src/gflags_completions.cc b/src/gflags_completions.cc
index d7097ca..8fefa1b 100644
--- a/src/gflags_completions.cc
+++ b/src/gflags_completions.cc
@@ -122,7 +122,7 @@
     NotableFlags *notable_flags);
 
 static void TryFindModuleAndPackageDir(
-    const vector<CommandLineFlagInfo> all_flags,
+    const vector<CommandLineFlagInfo> &all_flags,
     string *module,
     string *package_dir);
 
@@ -472,7 +472,7 @@
 }
 
 static void TryFindModuleAndPackageDir(
-    const vector<CommandLineFlagInfo> all_flags,
+    const vector<CommandLineFlagInfo> &all_flags,
     string *module,
     string *package_dir) {
   module->clear();