replaces four spaces by tabs, where appropriate

src/libstrongswan/credentials/certificates/certificate.h

@@ -192,9 +192,9 @@ struct certificate_t {
 	certificate_t* (*get_ref)(certificate_t *this);
 
 	/**
-     * Destroy a certificate.
-     */
-    void (*destroy)(certificate_t *this);
+	 * Destroy a certificate.
+	 */
+	void (*destroy)(certificate_t *this);
 };
 
 #endif /** CERTIFICATE_H_ @}*/

src/libstrongswan/credentials/certificates/crl.h

@@ -32,14 +32,14 @@ typedef enum crl_reason_t crl_reason_t;
  * RFC 2459 CRL reason codes
  */
 enum crl_reason_t {
-    CRL_REASON_UNSPECIFIED            = 0,
-    CRL_REASON_KEY_COMPROMISE         = 1,
-    CRL_REASON_CA_COMPROMISE          = 2,
-    CRL_REASON_AFFILIATION_CHANGED    = 3,
-    CRL_REASON_SUPERSEDED             = 4,
-    CRL_REASON_CESSATION_OF_OPERATON  = 5,
-    CRL_REASON_CERTIFICATE_HOLD       = 6,
-    CRL_REASON_REMOVE_FROM_CRL        = 8,
+	CRL_REASON_UNSPECIFIED			= 0,
+	CRL_REASON_KEY_COMPROMISE		 = 1,
+	CRL_REASON_CA_COMPROMISE		  = 2,
+	CRL_REASON_AFFILIATION_CHANGED	= 3,
+	CRL_REASON_SUPERSEDED			 = 4,
+	CRL_REASON_CESSATION_OF_OPERATON  = 5,
+	CRL_REASON_CERTIFICATE_HOLD	   = 6,
+	CRL_REASON_REMOVE_FROM_CRL		= 8,
 };
 
 /**

src/libstrongswan/credentials/keys/shared_key.h

@@ -78,9 +78,9 @@ struct shared_key_t {
 	shared_key_t* (*get_ref)(shared_key_t *this);
 
 	/**
-     * Destroy a shared_key instance if all references are gone.
-     */
-    void (*destroy)(shared_key_t *this);
+	 * Destroy a shared_key instance if all references are gone.
+	 */
+	void (*destroy)(shared_key_t *this);
 };
 
 /**