Use strpfx() helper where appropriate

src/libstrongswan/plugins/ldap/ldap_fetcher.c

@@ -112,7 +112,7 @@ METHOD(fetcher_t, fetch, status_t,
 	status_t status = FAILED;
 	chunk_t *result = userdata;
 
-	if (!strneq(url, "ldap", 4))
+	if (!strpfx(url, "ldap"))
 	{
 		return NOT_SUPPORTED;
 	}

src/libstrongswan/plugins/mysql/mysql_database.c

@@ -666,7 +666,7 @@ mysql_database_t *mysql_database_create(char *uri)
 	conn_t *conn;
 	private_mysql_database_t *this;
 
-	if (!strneq(uri, "mysql://", 8))
+	if (!strpfx(uri, "mysql://"))
 	{
 		return NULL;
 	}

src/libstrongswan/plugins/sqlite/sqlite_database.c

@@ -319,7 +319,7 @@ sqlite_database_t *sqlite_database_create(char *uri)
 	/**
 	 * parse sqlite:///path/to/file.db uri
 	 */
-	if (!strneq(uri, "sqlite://", 9))
+	if (!strpfx(uri, "sqlite://"))
 	{
 		return NULL;
 	}

src/libstrongswan/plugins/sshkey/sshkey_builder.c

@@ -85,7 +85,7 @@ static sshkey_public_key_t *parse_public_key(chunk_t blob)
 						BUILD_RSA_MODULUS, n, BUILD_RSA_PUB_EXP, e, BUILD_END);
 	}
 	else if (format.len > strlen(ECDSA_PREFIX) &&
-			 strneq(format.ptr, ECDSA_PREFIX, strlen(ECDSA_PREFIX)))
+			 strpfx(format.ptr, ECDSA_PREFIX))
 	{
 		chunk_t ec_blob, identifier, q, oid, encoded;
 		sshkey_public_key_t *key;