load-tester: Avoid naming conflict with local certificate variables

src/libcharon/plugins/load_tester/load_tester_creds.c

@@ -154,7 +154,7 @@ Cj6VaDacc7yOhZK61nGzNJml5NEeLzZkGzYvsIggL/Kb2v42fKYC5OunkZ1Nw3YY
 kGfz0rGDkJqIxx0inxp84PWWR5lX84A9pNQ=
 -----END CERTIFICATE-----
  */
-static char cert[] = {
+static char default_cert[] = {
   0x30,0x82,0x02,0x26,0x30,0x82,0x01,0x8f,0xa0,0x03,0x02,0x01,0x02,0x02,0x01,0x00,
   0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x0b,0x05,0x00,0x30,
   0x37,0x31,0x0c,0x30,0x0a,0x06,0x03,0x55,0x04,0x03,0x13,0x03,0x73,0x72,0x76,0x31,
@@ -235,7 +235,8 @@ static certificate_t *load_issuer_cert()
 	if (!path)
 	{
 		return lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
-					BUILD_BLOB_ASN1_DER, chunk_create(cert, sizeof(cert)),
+					BUILD_BLOB_ASN1_DER,
+					chunk_create(default_cert, sizeof(default_cert)),
 					BUILD_X509_FLAG, X509_CA,
 					BUILD_END);
 	}