Update Journal Variable Names

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

Change-Id: I2c838332ab7811ccc9a2c99f5b1f558c48f25f76
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/storagehandler.cpp b/storagehandler.cpp
index 123398b..8d9e93d 100644
--- a/storagehandler.cpp
+++ b/storagehandler.cpp
@@ -634,8 +634,9 @@
         if ((offset + reqptr->count) > size)
         {
             log<level::ERR>("Invalid offset and count",
-                entry("Offset=%d Count=%d SizeOfFruArea=%d",
-                offset, reqptr->count, size));
+                            entry("OFFSET=%s", offset),
+                            entry("COUNT=%s", reqptr->count),
+                            entry("SIZE_OF_FRU_AREA=%s", size));
             return IPMI_CC_INVALID;
         }
         std::copy((fruArea.begin() + offset), (fruArea.begin() + reqptr->count),