cutils: Support 'P' and 'E' suffixes in strtosz()

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/util/cutils.c b/util/cutils.c
index a165819..8f28896 100644
--- a/util/cutils.c
+++ b/util/cutils.c
@@ -267,6 +267,10 @@
         return unit * unit * unit;
     case STRTOSZ_DEFSUFFIX_TB:
         return unit * unit * unit * unit;
+    case STRTOSZ_DEFSUFFIX_PB:
+        return unit * unit * unit * unit * unit;
+    case STRTOSZ_DEFSUFFIX_EB:
+        return unit * unit * unit * unit * unit * unit;
     }
     return -1;
 }