catch exceptions as const

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ic8e6ade739bd5ea6e79cac6b9bb2b182748e10c8
diff --git a/log_manager_main.cpp b/log_manager_main.cpp
index 8f3fab7..bcd0cbe 100644
--- a/log_manager_main.cpp
+++ b/log_manager_main.cpp
@@ -40,7 +40,7 @@
         {
             startup(iMgr);
         }
-        catch (std::exception& e)
+        catch (const std::exception& e)
         {
             error("An extension's startup function threw an exception: {ERROR}",
                   "ERROR", e);