Add glusterfs to VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_POOL_TYPE

If it's not present in this list, we won't be able to get only
glusterfs pools when using virConnectListAllStoragePools.

src/conf/storage_conf.h

@@ -575,7 +575,8 @@ VIR_ENUM_DECL(virStoragePartedFsType)
                  VIR_CONNECT_LIST_STORAGE_POOLS_SCSI     | \
                  VIR_CONNECT_LIST_STORAGE_POOLS_MPATH    | \
                  VIR_CONNECT_LIST_STORAGE_POOLS_RBD      | \
-                 VIR_CONNECT_LIST_STORAGE_POOLS_SHEEPDOG)
+                 VIR_CONNECT_LIST_STORAGE_POOLS_SHEEPDOG | \
+                 VIR_CONNECT_LIST_STORAGE_POOLS_GLUSTER)
 
 # define VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_ALL                  \
                 (VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_ACTIVE     | \