Bug 616745 followup - fixed typo

netwerk/protocol/http/nsHttpTransaction.cpp

@@ -686,7 +686,7 @@ nsHttpTransaction::LocateHttpStart(char *buf, PRUint32 len,
     NS_ASSERTION(!aAllowPartialMatch || mLineBuf.IsEmpty(), "ouch");
 
     static const char HTTPHeader[] = "HTTP/1.";
-    static const PRUInt32 HTTPHeaderLen = sizeof(HTTPHeader) - 1;
+    static const PRUint32 HTTPHeaderLen = sizeof(HTTPHeader) - 1;
     static const char HTTP2Header[] = "HTTP/2.0";
     static const PRUint32 HTTP2HeaderLen = sizeof(HTTP2Header) - 1;