Whitespace cleanup in docs

Reviewed-by: NAndy Polyakov <appro@openssl.org>
Reviewed-by: NKurt Roeckx <kurt@openssl.org>
Reviewed-by: NRich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1264)

doc/crypto/BIO_s_file.pod

@@ -128,7 +128,7 @@ BIO_seek() returns the same value as the underlying fseek() function:
 
 BIO_tell() returns the current file position.
 
-BIO_read_filename(), BIO_write_filename(),  BIO_append_filename() and
+BIO_read_filename(), BIO_write_filename(), BIO_append_filename() and
 BIO_rw_filename() return 1 for success or 0 for failure.
 
 =head1 BUGS

doc/crypto/BN_mod_mul_reciprocal.pod

@@ -2,7 +2,7 @@
 
 =head1 NAME
 
-BN_mod_mul_reciprocal,  BN_div_recp, BN_RECP_CTX_new,
+BN_mod_mul_reciprocal, BN_div_recp, BN_RECP_CTX_new,
 BN_RECP_CTX_free, BN_RECP_CTX_set - modular multiplication using
 reciprocal
 

doc/crypto/ECPKParameters_print.pod

@@ -2,7 +2,8 @@
 
 =head1 NAME
 
-ECPKParameters_print, ECPKParameters_print_fp - Functions for decoding and encoding ASN1 representations of elliptic curve entities
+ECPKParameters_print, ECPKParameters_print_fp - Functions for decoding and
+encoding ASN1 representations of elliptic curve entities
 
 =head1 SYNOPSIS
 

doc/crypto/EVP_EncryptInit.pod

@@ -16,7 +16,7 @@ EVP_CIPHER_CTX_nid, EVP_CIPHER_CTX_block_size, EVP_CIPHER_CTX_key_length,
 EVP_CIPHER_CTX_iv_length, EVP_CIPHER_CTX_get_app_data,
 EVP_CIPHER_CTX_set_app_data, EVP_CIPHER_CTX_type, EVP_CIPHER_CTX_flags,
 EVP_CIPHER_CTX_mode, EVP_CIPHER_param_to_asn1, EVP_CIPHER_asn1_to_param,
-EVP_CIPHER_CTX_set_padding,  EVP_enc_null, EVP_des_cbc, EVP_des_ecb,
+EVP_CIPHER_CTX_set_padding, EVP_enc_null, EVP_des_cbc, EVP_des_ecb,
 EVP_des_cfb, EVP_des_ofb, EVP_des_ede_cbc, EVP_des_ede, EVP_des_ede_ofb,
 EVP_des_ede_cfb, EVP_des_ede3_cbc, EVP_des_ede3, EVP_des_ede3_ofb,
 EVP_des_ede3_cfb, EVP_desx_cbc, EVP_rc4, EVP_rc4_40, EVP_idea_cbc,
@@ -327,11 +327,11 @@ AES with a 256-bit key in CBC, ECB, CFB and OFB modes respectively.
 
 DES in CBC, ECB, CFB and OFB modes respectively.
 
-=item EVP_des_ede_cbc(), EVP_des_ede(), EVP_des_ede_ofb(),  EVP_des_ede_cfb()
+=item EVP_des_ede_cbc(), EVP_des_ede(), EVP_des_ede_ofb(), EVP_des_ede_cfb()
 
 Two key triple DES in CBC, ECB, CFB and OFB modes respectively.
 
-=item EVP_des_ede3_cbc(), EVP_des_ede3(), EVP_des_ede3_ofb(),  EVP_des_ede3_cfb()
+=item EVP_des_ede3_cbc(), EVP_des_ede3(), EVP_des_ede3_ofb(), EVP_des_ede3_cfb()
 
 Three key triple DES in CBC, ECB, CFB and OFB modes respectively.
 

doc/ssl/SSL_CTX_dane_enable.pod

@@ -293,7 +293,7 @@ them among the TLSA records used to authenticate peer connections.
 In addition, some TLSA records with supported usages may be "unusable" as a
 result of invalid or unsupported parameters.
 
-When a peer has TLSA records, but none are "usable",  an opportunistic
+When a peer has TLSA records, but none are "usable", an opportunistic
 application must avoid cleartext, but cannot authenticate the peer,
 and so should generally proceed with an unauthenticated connection.
 Opportunistic applications need to note the return value of each

doc/ssl/SSL_CTX_new.pod

@@ -204,7 +204,7 @@ All version-specific methods were deprecated in OpenSSL 1.1.0.
 =head1 SEE ALSO
 
 L<SSL_CTX_set_options(3)>, L<SSL_CTX_free(3)>, L<SSL_accept(3)>,
-L<SSL_CTX_set_min_proto_version(3)>, L<ssl(3)>,  L<SSL_set_connect_state(3)>
+L<SSL_CTX_set_min_proto_version(3)>, L<ssl(3)>, L<SSL_set_connect_state(3)>
 
 =head1 COPYRIGHT
 

doc/ssl/SSL_CTX_set_tmp_dh_callback.pod

@@ -104,7 +104,7 @@ partly left out.)
    /* Error. */
  }
  if (dh_2048 == NULL) {
-  /* Error. */
+   /* Error. */
  }
  if (SSL_CTX_set_tmp_dh(ctx, dh_2048) != 1) {
    /* Error. */