Remove unnecessary empty line
diff --git a/library/x509write_csr.c b/library/x509write_csr.c
index a73a1a0..d6e8c13 100644
--- a/library/x509write_csr.c
+++ b/library/x509write_csr.c
@@ -43,7 +43,6 @@
 #include "mbedtls/pem.h"
 #endif
 
-
 /* Implementation that should never be optimized out by the compiler */
 static void mbedtls_zeroize( void *v, size_t n ) {
     volatile unsigned char *p = v; while( n-- ) *p++ = 0;