Make the file C++ friendly.

security/nss/lib/pkcs12/p12.h

@@ -90,6 +90,8 @@ struct sec_PKCS12PublicKeyModeInfo {
     int keySize;
 };
 
+SEC_BEGIN_PROTOS
+
 SEC_PKCS12SafeInfo *
 SEC_PKCS12CreatePubKeyEncryptedSafe(SEC_PKCS12ExportContext *p12ctxt,
 				    CERTCertDBHandle *certDb,
@@ -178,4 +180,6 @@ SEC_PKCS12DecoderImportBags(SEC_PKCS12DecoderContext *p12dcx);
 CERTCertList *
 SEC_PKCS12DecoderGetCerts(SEC_PKCS12DecoderContext *p12dcx);
 
+SEC_END_PROTOS
+
 #endif