Update Journal Variable Names

Journal entry variable names should be uppercase.
https://www.freedesktop.org/software/systemd/man/sd_journal_print.html

Change-Id: I074955883c67173c9720f094d494addb85c85e7a
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/core_manager_main.cpp b/core_manager_main.cpp
index 1f9d195..4ef6095 100644
--- a/core_manager_main.cpp
+++ b/core_manager_main.cpp
@@ -18,7 +18,7 @@
     if (rc < 0)
     {
         log<level::ERR>("Error occurred during the sd_event_default",
-                        entry("rc=%d", rc));
+                        entry("RC=%d", rc));
         report<InternalFailure>();
         return -1;
     }
@@ -33,7 +33,7 @@
         if (rc < 0)
         {
             log<level::ERR>("Error occurred during the sd_event_loop",
-                            entry("rc=%d", rc));
+                            entry("RC=%d", rc));
             elog<InternalFailure>();
         }
     }
diff --git a/dump_manager.cpp b/dump_manager.cpp
index 28d3b77..4d0904c 100644
--- a/dump_manager.cpp
+++ b/dump_manager.cpp
@@ -90,7 +90,7 @@
         {
             // Failed to add to event loop
             log<level::ERR>("Error occurred during the sd_event_add_child call",
-                            entry("rc=%d", rc));
+                            entry("RC=%d", rc));
             elog<InternalFailure>();
         }
     }
@@ -119,7 +119,7 @@
           (match.size() > 0)))
     {
         log<level::ERR>("Invalid Dump file name",
-                        entry("Filename=%s", file.filename()));
+                        entry("FILENAME=%s", file.filename()));
         return;
     }
 
diff --git a/dump_manager_main.cpp b/dump_manager_main.cpp
index c437e7f..174adc3 100644
--- a/dump_manager_main.cpp
+++ b/dump_manager_main.cpp
@@ -20,7 +20,7 @@
     if (rc < 0)
     {
         log<level::ERR>("Error occurred during the sd_event_default",
-                        entry("rc=%d", rc));
+                        entry("RC=%d", rc));
         report<InternalFailure>();
         return rc;
     }
@@ -44,7 +44,7 @@
         if (rc < 0)
         {
             log<level::ERR>("Error occurred during the sd_event_loop",
-                            entry("rc=%d", rc));
+                            entry("RC=%d", rc));
             elog<InternalFailure>();
         }
     }
diff --git a/watch.cpp b/watch.cpp
index cec97af..270d1dc 100644
--- a/watch.cpp
+++ b/watch.cpp
@@ -39,7 +39,7 @@
     if (!fs::is_directory(path))
     {
         log<level::ERR>("Watch directory doesn't exist",
-                        entry("dir=%s", path.c_str()));
+                        entry("DIR=%s", path.c_str()));
         elog<InternalFailure>();
     }
 
@@ -62,7 +62,7 @@
     {
         // Failed to add to event loop
         log<level::ERR>("Error occurred during the sd_event_add_io call",
-                        entry("rc=%d", rc));
+                        entry("RC=%d", rc));
         elog<InternalFailure>();
     }
 }