annotate some and fix un-aligned #endif

This fixes #572

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>

Author: sjaeckel

src/headers/tomcrypt_custom.h

@@ -114,7 +114,7 @@
 
    #define LTC_NO_MISC
    #define LTC_BASE64
-#endif
+#endif /* LTC_EASY */
 
 /* The minimal set of functionality to run the tests */
 #ifdef LTC_MINIMAL
@@ -129,7 +129,7 @@
    #define LTC_TRY_URANDOM_FIRST
 
    #undef LTC_NO_FILE
-#endif
+#endif /* LTC_MINIMAL */
 
 /* Enable self-test test vector checking */
 #ifndef LTC_NO_TEST
@@ -357,7 +357,7 @@
   #define LTC_YARROW_AES 2
 #endif
 
-#endif
+#endif /* LTC_YARROW */
 
 #ifdef LTC_FORTUNA
 
@@ -553,7 +553,7 @@
    #define LTC_ECC_SECP384R1
    #define LTC_ECC_SECP521R1
 #endif
-#endif
+#endif /* LTC_MECC */
 
 #if defined(LTC_DER)
    #ifndef LTC_DER_MAX_RECURSION
@@ -690,15 +690,13 @@
 #define LTC_MUTEX_UNLOCK(x)
 #define LTC_MUTEX_DESTROY(x)
 
-#endif
+#endif /* LTC_PTHREAD */
 
 /* Debuggers */
 
 /* define this if you use Valgrind, note: it CHANGES the way SOBER-128 and RC4 work (see the code) */
 /* #define LTC_VALGRIND */
 
-#endif
-
 #ifndef LTC_NO_FILE
    /* buffer size for reading from a file via fread(..) */
    #ifndef LTC_FILE_READ_BUFSIZE
@@ -739,3 +737,5 @@
 #define LTC_ECC_SECP521R1
 #undef LTC_ECC521
 #endif
+
+#endif /* TOMCRYPT_CUSTOM_H_ */