Fixed warning of unused variable.

netwerk/protocol/about/src/nsAboutBloat.cpp

@@ -108,7 +108,6 @@ nsAboutBloat::NewChannel(const char *verb,
             dumpFileName += "all-";
         else
             dumpFileName += "new-";
-        PRTime now = PR_Now();
         PRExplodedTime expTime;
         PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &expTime);
         char time[128];

rdf/util/src/nsRDFResource.cpp

@@ -40,8 +40,6 @@ nsRDFResource::nsRDFResource(void)
 
 nsRDFResource::~nsRDFResource(void)
 {
-    nsresult rv = NS_OK;
-    
     gRDFService->UnregisterResource(this);
 
     // N.B. that we need to free the URI *after* we un-cache the resource,