partition_parser: Change in calculation for size of partition.

Change-Id: I8a49138faf9402367353a481eb179e210e7b2da3
diff --git a/platform/msm_shared/partition_parser.c b/platform/msm_shared/partition_parser.c
index 45f5413..0b1bf46 100644
--- a/platform/msm_shared/partition_parser.c
+++ b/platform/msm_shared/partition_parser.c
@@ -290,7 +290,7 @@
 						  LAST_LBA_OFFSET]);
 			partition_entries[partition_count].size =
 			    partition_entries[partition_count].last_lba -
-			    partition_entries[partition_count].first_lba;
+			    partition_entries[partition_count].first_lba + 1;
 			partition_entries[partition_count].attribute_flag =
 			    GET_LLWORD_FROM_BYTE(&data
 						 [(j * partition_entry_size) +