style: local variable entry shadows outer symbol

Many functions have a variable entry in a sub namespace to the outer
symbol entry from phosphor-logging/log.hpp

[phosphor-logging/log.hpp:73] -> [log_manager.hpp:104]: (style) Local
variable entry shadows outer symbol
[phosphor-logging/log.hpp:73] -> [log_manager.cpp:226]: (style) Local
variable entry shadows outer symbol
[phosphor-logging/log.hpp:73] -> [log_manager.cpp:243]: (style) Local
variable entry shadows outer symbol
[phosphor-logging/log.hpp:73] -> [elog_meta.hpp:37]: (style) Local
variable entry shadows outer symbol

Change-Id: Icf5d585ec05b0a545e515d0afb7d2267645a2f2c
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/log_manager.hpp b/log_manager.hpp
index 864de1a..e6714af 100644
--- a/log_manager.hpp
+++ b/log_manager.hpp
@@ -101,9 +101,9 @@
         auto iter = entries.begin();
         while (iter != entries.end())
         {
-            auto entry = iter->first;
+            auto e = iter->first;
             ++iter;
-            erase(entry);
+            erase(e);
         }
     }