fix some compiler warnings in ras/alps

orte/mca/ras/alps/ras_alps_module.c

@@ -403,7 +403,7 @@ orte_ras_alps_read_appinfo_file(opal_list_t *nodes, char *filename,
     int32_t         sNodes=0;
     char            *cpBuf;
     char            *hostname;
-    orte_node_t     *node = NULL, *n2;
+    orte_node_t     *node = NULL;
     appInfoHdr_t    *apHdr;                 /* ALPS header structure          */
     appInfo_t       *apInfo;                /* ALPS table info structure      */
 #if ALPS_APPINFO_VERSION==0
@@ -411,7 +411,6 @@ orte_ras_alps_read_appinfo_file(opal_list_t *nodes, char *filename,
 #else
     placeNodeList_t *apNodes;
 #endif
-    opal_list_item_t *item;
 
     orte_ras_alps_get_appinfo_attempts(&max_appinfo_read_attempts);
     oNow=0;