Allow NSS to be built with NO_NSPR_10_SUPPORT.

nss/lib/pkcs7/p7local.c

Index: nss/lib/pkcs7/p7local.c
===================================================================
--- nss/lib/pkcs7/p7local.c	(revision 203524)
+++ nss/lib/pkcs7/p7local.c	(working copy)
@@ -140,7 +140,7 @@
  * have two simple cover functions which call it. 
  */
 sec_PKCS7CipherObject *
-sec_PKCS7CreateEncryptObject (PRArenaPool *poolp, PK11SymKey *key,
+sec_PKCS7CreateEncryptObject (PLArenaPool *poolp, PK11SymKey *key,
 			      SECOidTag algtag, SECAlgorithmID *algid)
 {
     sec_PKCS7CipherObject *result;
@@ -923,7 +923,7 @@
  * do the reordering.)
  */
 SECItem *
-sec_PKCS7EncodeAttributes (PRArenaPool *poolp, SECItem *dest, void *src)
+sec_PKCS7EncodeAttributes (PLArenaPool *poolp, SECItem *dest, void *src)
 {
     return SEC_ASN1EncodeItem (poolp, dest, src,
 			       sec_pkcs7_set_of_attribute_template);
@@ -937,7 +937,7 @@
 SECStatus
 sec_PKCS7ReorderAttributes (SEC_PKCS7Attribute **attrs)
 {
-    PRArenaPool *poolp;
+    PLArenaPool *poolp;
     int num_attrs, i, pass, besti;
     unsigned int j;
     SECItem **enc_attrs;