Add snap tag to el7 packages
diff --git a/contrib/packages/rpm/el7/SPECS/tigervnc.spec b/contrib/packages/rpm/el7/SPECS/tigervnc.spec
index 50231cb..d99547e 100644
--- a/contrib/packages/rpm/el7/SPECS/tigervnc.spec
+++ b/contrib/packages/rpm/el7/SPECS/tigervnc.spec
@@ -10,7 +10,7 @@
 
 Name:           tigervnc
 Version:        1.6.80
-Release:        1%{?dist}
+Release:        1%{?snap:.%{snap}}%{?dist}
 Summary:        A TigerVNC remote display system
 
 Group:          User Interface/Desktops