Normalize the PEM format used in some certificate test data.

net/data/verify_signed_data_unittest/rsa-pss-sha256-salt10.pem

Index: net/data/verify_signed_data_unittest/rsa-pss-sha256-salt10.pem
diff --git a/net/data/verify_signed_data_unittest/rsa-pss-sha256-salt10.pem b/net/data/verify_signed_data_unittest/rsa-pss-sha256-salt10.pem
index fc37f41d1feb43338e9c4dc0f13396bb4d60a3d7..72d729a0872fa8c1023848d7e8f2afcd87b4f82d 100644
--- a/net/data/verify_signed_data_unittest/rsa-pss-sha256-salt10.pem
+++ b/net/data/verify_signed_data_unittest/rsa-pss-sha256-salt10.pem
@@ -7,26 +7,17 @@ It uses an RSA key with modulus length of 1024 bits, PSS padding,
 SHA-256 as the digest, MGF1 with SHA-256, and salt length of 10.
 
 
-
------BEGIN PUBLIC KEY-----
-MIGdMA0GCSqGSIb3DQEBAQUAA4GLADCBhwKBgQC+SZtefwbIP6ApPjFGXI62tYr5ILrlKntbm/6
-3qnLbEmQRLrP9Qx0xoqflCUFWaSlJSg6JHtVhORi0tRsNH7l3g7Jqz30POEz7NfTSgk9d04BiOi
-a/GAtjlhxhnc2yDK5AbyL24nbICjcllJDP63LBpxqE8YRtMwh3uj4xAeycewIBEQ==
------END PUBLIC KEY-----
-
 $ openssl asn1parse -i < [PUBLIC KEY]
     0:d=0  hl=3 l= 157 cons: SEQUENCE          
     3:d=1  hl=2 l=  13 cons:  SEQUENCE          
     5:d=2  hl=2 l=   9 prim:   OBJECT            :rsaEncryption
    16:d=2  hl=2 l=   0 prim:   NULL              
    18:d=1  hl=3 l= 139 prim:  BIT STRING        
-
-
-
------BEGIN ALGORITHM-----
-MEEGCSqGSIb3DQEBCjA0oA8wDQYJYIZIAWUDBAIBBQChHDAaBgkqhkiG9w0BAQgwDQYJYIZIAWU
-DBAIBBQCiAwIBCg==
------END ALGORITHM-----
+-----BEGIN PUBLIC KEY-----
+MIGdMA0GCSqGSIb3DQEBAQUAA4GLADCBhwKBgQC+SZtefwbIP6ApPjFGXI62tYr5ILrlKntbm/6
+3qnLbEmQRLrP9Qx0xoqflCUFWaSlJSg6JHtVhORi0tRsNH7l3g7Jqz30POEz7NfTSgk9d04BiOi
+a/GAtjlhxhnc2yDK5AbyL24nbICjcllJDP63LBpxqE8YRtMwh3uj4xAeycewIBEQ==
+-----END PUBLIC KEY-----
 
 $ openssl asn1parse -i < [ALGORITHM]
     0:d=0  hl=2 l=  65 cons: SEQUENCE          
@@ -44,8 +35,10 @@ $ openssl asn1parse -i < [ALGORITHM]
    60:d=5  hl=2 l=   0 prim:      NULL              
    62:d=2  hl=2 l=   3 cons:   cont [ 2 ]        
    64:d=3  hl=2 l=   1 prim:    INTEGER           :0A
-
-
+-----BEGIN ALGORITHM-----
+MEEGCSqGSIb3DQEBCjA0oA8wDQYJYIZIAWUDBAIBBQChHDAaBgkqhkiG9w0BAQgwDQYJYIZIAWU
+DBAIBBQCiAwIBCg==
+-----END ALGORITHM-----
 
 -----BEGIN DATA-----
 x/UnD8pyX5vRn1GajXzKPMXAeQJAKfO65RD5sCFA/iOJCOT2wY8HqJxofIaEZpsfHbK6+SUaPIK
@@ -53,13 +46,10 @@ frMtJMIThbsnijViGgHSl1iIWZ91uUo0W/iyfPbTPr2xNzoyEOa84zqqqnOLsrnvI9KWlXjv5bf
 nNV1xPnLMnlRuM3+QIcWg=
 -----END DATA-----
 
-
-
+$ openssl asn1parse -i < [SIGNATURE]
+    0:d=0  hl=3 l= 129 prim: BIT STRING        
 -----BEGIN SIGNATURE-----
 A4GBABHhafL9QLB2Qbl2iiqxmWX7bCfxD88DI/zG0S608cBrMw3aoepQRAevop3p6+A3T+nR59D
 /vV/Bzzo0RuQUVBXSqyT3ibNGTFxDola7wdaSz38EgB2sW7QBpKA6t9VyioYMGeGk3Hl8pULIID
 zsLmAesMUfVn8u2gIrC5693u76
 -----END SIGNATURE-----
-
-$ openssl asn1parse -i < [SIGNATURE]
-    0:d=0  hl=3 l= 129 prim: BIT STRING