Fix typo in Short File Identifier (SFI) string

This was a typo in eaf7cc7

Author: leonlynch

src/emv_strings.c

@@ -267,7 +267,7 @@ int emv_tlv_get_info(
 			return 0;
 
 		case EMV_TAG_88_SFI:
-			info->tag_name = "Short File Indicator (SFI)";
+			info->tag_name = "Short File Identifier (SFI)";
 			info->tag_desc =
 				"Identifies the Application Elementary File (AEF) referenced "
 				"in commands related to a given Application Definition File "

src/emv_tags.h

@@ -100,7 +100,7 @@ __BEGIN_DECLS
 /// EMV tag 87 Application Priority Indicator. Template 61 or A5.
 #define EMV_TAG_87_APPLICATION_PRIORITY_INDICATOR               (0x87)
 
-/// EMV tag 88 Short File Indicator (SFI). Template A5.
+/// EMV tag 88 Short File Identifier (SFI). Template A5.
 #define EMV_TAG_88_SFI                                          (0x88)
 
 /// EMV tag 89 Authorisation Code