fix two "might be used uninitialized" warnings from NTLM patch, bug=224653.

netwerk/protocol/http/src/nsHttpNTLMAuth.cpp

@@ -110,6 +110,7 @@ nsHttpNTLMAuth::GenerateCredentials(nsIHttpChannel  *httpChannel,
         if (NS_FAILED(rv))
             return rv;
 
+        inBufLen = 0;
         inBuf = nsnull;
     }
     else {

security/manager/ssl/src/nsNTLMAuthModule.cpp

@@ -768,7 +768,7 @@ des_encrypt(const PRUint8 *key, const PRUint8 *src, PRUint8 *hash)
   PK11SlotInfo *slot = nsnull;
   PK11SymKey *symkey = nsnull;
   PK11Context *ctxt = nsnull;
-  SECItem keyItem, *param;
+  SECItem keyItem, *param = nsnull;
   SECStatus rv;
   unsigned int n;