[app][hwcrypto] Reformat sources to use 4 space indent

Change-Id: I4ab6c536f4e3d13a63e6d4e22ee0b4042c38b167
diff --git a/app/hwcrypto/hwkey_keyslots.h b/app/hwcrypto/hwkey_keyslots.h
index 3b66ea8..dc0341a 100644
--- a/app/hwcrypto/hwkey_keyslots.h
+++ b/app/hwcrypto/hwkey_keyslots.h
@@ -37,11 +37,11 @@
 
 struct keyslot_package
 {
-	char magic[4];
-	unsigned int rpmb_keyblob_len;
-	unsigned char rpmb_keyblob[RPMBKEY_LEN];
-	unsigned int pubkey_keyblob_len;
-	unsigned char pubkey_keyblob[PUBKEY_LEN];
+    char magic[4];
+    unsigned int rpmb_keyblob_len;
+    unsigned char rpmb_keyblob[RPMBKEY_LEN];
+    unsigned int pubkey_keyblob_len;
+    unsigned char pubkey_keyblob[PUBKEY_LEN];
 };
 
 #endif