Removes namespace { }

Anonymous namespaces in header files are a bad idea. In this case the
template definition is implicitly inline, so the anonymous namespace
doesn't help, and only goes to prevent symbol merging.

Change-Id: I9527ee742d34c8f4049746c9eaee38dcb35b98af
diff --git a/common/vsoc/lib/circqueue_impl.h b/common/vsoc/lib/circqueue_impl.h
index 58610df..dc65e4b 100644
--- a/common/vsoc/lib/circqueue_impl.h
+++ b/common/vsoc/lib/circqueue_impl.h
@@ -22,13 +22,11 @@
 #include "common/vsoc/lib/region_signaling_interface.h"
 #include "common/vsoc/shm/circqueue.h"
 
-namespace {
 // Increases the given index until it is naturally aligned for T.
 template <typename T>
 uintptr_t align(uintptr_t index) {
   return (index + sizeof(T) - 1) & ~(sizeof(T) - 1);
 }
-}  // namespace
 
 namespace vsoc {
 class RegionSignalingInterface;